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FAQs & Troubleshooting
Search checklists, quick-start videos, and maintenance guides for compressors, analyzers, fittings, and Nitrox systems. To help us assist you, we ask that you review information on this page before calling or emailing us for assistance. Please do not use our chat window for FAQ & Troubleshooting assistance.
Compressor Troubleshooting
Electrical
O₂ Quickstick Analyzer
Nuvair Pro CO
ICON / MCH6
MCH13–MCH16
MCH20–MCH24
MCH22–MCH45
Voyager Nitrox
Fittings
Install · Operate · Maintain
Compressor Troubleshooting (General)
Keyword Description Link
Checklist
Description:
Compressor Troubleshooting Checklist (General)If you have an unknown type of compressor issue, please complete this checklist and email to [email protected]
Open PDF
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Electrical Troubleshooting (General)
Keyword Description Link
Checklist
Description:
Electrical Troubleshooting ChecklistIf you have a known equipment electrical issue, please complete this checklist and email [email protected]
Open PDF
Lista de Verificación
Description:
Lista para Problemas con el Compressor EléctricoSi tiene un problema eléctrico conocido en el equipo, complete esta lista de verificación y envíe un correo electrónico a [email protected]
Abrir PDF
SmoothStart
Description:
Nuvair SmoothStart Troubleshooting GuideAssistance with troubleshooting the Nuvair SmoothStart module. For additional assistance, email [email protected]
Open PDF
Variable Speed Drive Description: Invertek OptiDrive AC Variable Speed DriveOpen PDF
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Nuvair O₂ Quickstick Oxygen Analyzer for Nitrox Divers
Keyword Description Link
Operation Description: How do I operate the O₂ Quickstick? (Quick Start Video Guide)Watch Sensor Description: How do I replace the O₂ Quickstick sensor?Watch Battery Description: How do I replace the O₂ Quickstick battery?Watch CDB Description: How do I replace the O₂ Quickstick Circular Distribution Board?Watch Knob Description: O₂ Quickstick potentiometer knob spins freely—how to fix?Open PDF
Troubleshoot Description: O₂ Quickstick Troubleshooting TreeFor O₂ Quicksticks manufactured after August 2021. Complete the yes/no tree before contacting support. Open PDF
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Nuvair Pro CO Carbon Monoxide Analyzer
Keyword Description Link
Checklist Description: How do I operate the Nuvair Pro CO (carbon monoxide) Analyzer? [Quick Start Video Guide]Watch Calibration Description: How do I calibrate the Nuvair Pro CO (carbon monoxide) Analyzer?Watch No results in this section.
Icon / MCH6 Compressor
Keyword Description Link
Installation Description: How do I setup and install the MCH6 Electric compressor?Watch Installation Description: How do I setup and install the MCH6 Gas compressor?Watch Installation Description: How do I run the MCH6 ICON Electric compressor for the first time?Watch Maintenance Description: How do I regularly maintain the MCH6 compressor?Watch Maintenance Description: How do I regularly maintain the ICON LSE 100 EM compressor?Watch Belt Description: How do I replace the MCH6 compressor belt?Watch Hoses Description: How do I replace MCH6 high pressure hoses?Watch Filter Description: How do I replace an MCH6 intake air filter?Watch Filter Description: How do I replace the MCH6 compressor activated carbon filter?Watch Refill Description: How do I refill DIN tanks using the MCH6 compressor?Watch Refill Description: How do I refill INT (Yoke) tanks using the MCH6 compressor?Watch Auto-Stop Description: How do I install an auto-stop shutoff switch on the MCH6 compressor?Watch Auto-Stop Description: How do I install an auto-stop on the MCH6 Gas compressor?Watch Auto-Stop Description: How do I install an auto-stop on the MCH6 Electric compressor?Watch Auto-Drain Description: How do I install an auto-drain on the MCH6 Electric compressor?Watch Auto-Drain Description: How do I install an auto-drain on the MCH6 400V Electric compressor?Watch Hour Meter Description: How do I install an MCH6 compressor hour meter?Watch First Description: How do I disassemble/assemble the MCH6 compressor first stage?Watch Second Description: How do I disassemble/assemble the MCH6 compressor second stage?Watch Third Description: How do I disassemble/assemble the MCH6 compressor third stage?Watch Fourth Description: How do I disassemble/assemble the MCH6 compressor fourth stage?Watch Crankshaft Description: How do I disassemble the MCH6 compressor crankshaft?Watch Crankshaft Description: How do I assemble the MCH6 compressor crankshaft?Watch Pump Description: How do I replace the MCH6 pumping unit (block)?Watch Disassembly Description: How do I completely disassemble the MCH6 compressor?Watch Motor Description: How do I replace the MCH6 electric motor?Watch No results in this section.
MCH13–MCH16 Compressor
Keyword Description Link
Installation Description: How do I install and maintain the MCH16 compressor?Watch Installation Description: How do I run the SMART compressor for the first time?Watch Maintenance Description: How do I maintain the SMART MCH16 compressor?Watch Maintenance Description: What is the ordinary maintenance on the SMART compressor?Watch Mini Tech Description: How do I operate the Nuvair Mini Tech compressor?Watch Filter Description: How do I replace the air intake filter on MCH13–MCH16 compressors?Watch Filter Description: How do I change the air purification filters of MCH13–MCH16 Electric compressors?Watch Filter Description: How do I change the MCH13–MCH16 Maxfilter cartridge (activated carbon/molecular sieve)?Watch Lubrication Description: How do I change the oil on MCH13–MCH16 Electric compressors?Watch Belt Description: How do I change the belt of MCH13–MCH16 Electric compressors?Watch Fan Description: How do I remove replace MCH8–MCH16 fan flywheel built after 12/2006?Watch Fan Description: How do I disassemble/assemble the cooling fan on MCH13–MCH16 compressors?Watch Pipes Description: How do I disassemble/assemble cooling pipes on MCH13–MCH16 compressors?Watch Plate Description: How do I maintain the MCH13–MCH16 filter mounting plate ("hold-filters plate")?Watch Crankshaft Description: How do I disassemble the MCH13–MCH16 crankshaft?Watch Crankshaft Description: How do I assemble the MCH13–MCH16 crankshaft?Watch Switchboard Description: How do I install the automatic switchboard on MCH13–MCH16 Electric compressors?Watch First Description: How do I disassemble/assemblE the MCH13–MCH16 compressor first stage?Watch Second Description: How to I disassemble/assemble the MCH13–MCH16 compressor second stage?Watch Third Description: How do I disassemble/assemble the MCH13–MCH16 compressor third stage?Watch Valves Description: How do I disassemble/assemble MCH13–MCH16 second stage valves?Watch Valves Description: How do I replace MCH13–MCH16 compressor third stage valves?Watch Piston Description: How do I disassemble/assemble MCH13–MCH16 compressor third stage pistonWatch Red Head Description: How do I install an MCH13–MCH16 Red Head valve?Watch Lap Description: How do I lap MCH13–MCH16 Red Head valves?Watch Block Description: How do I disassemble the MCH13–MCH16 compressor unit (block)?Watch Block Description: How do I assemble the MCH13–MCH16 compressor unit (block)?Watch ERGO TPS Description: Can you tell me more about the ERGO TPS series of compressors?Watch No results in this section.
MCH20–MCH24 Compressor
Keyword Description Link
Second Description: How do I change MCH20–MCH24 second stage valves?Watch No results in this section.
MCH22–MCH45 Compressor
Keyword Description Link
Installation Description: How do I install and run the MCH22–MCH45 vertical compressor?Watch Maintenance Description: How do I regularly maintain the MCH22–MCH45 compressor?Watch Blue Head Description: How to I assemble the MCH36 Blue Head?Watch Head Description: How do I assemble an MCH36 head?Watch Fourth Description: How do I replace an MCH30–MCH36 fourth stage?Watch No results in this section.
Nuvair Voyager Nitrox Systems
Keyword Description Link
Overview Description: How does the Nuvair Voyager II, III, and IV work?Watch Operation Description: How do I run the Nuvair Voyager II Nitrox SystemWatch Operation Description: How do I operate the Nuvair Voyager Nitrox System?Watch Maintenance Description: How do I maintain the Nuvair Voyager Nitrox System?Watch No results in this section.
Fittings
Keyword Description Link
Type Description: Do I have a COMPRESSION or JIC fitting?Open PDF Sizing Description: JIC Thread Size ChartOpen JPG O-ring Description: ORX017 O-ring for 955 check valve and GO26 Boss coupling adapterOpen PDF No results in this section.
Installation, Operation & Maintenance (General)
Keyword Description Link
Aftercoolers Description: How effective are compressor aftercoolers?Watch Air/Gas Tests Description: What air and gas standard tests can Nuvair conduct?Open PDF Antivirus Description: Norton Antivirus False Positive Error: Nuvair.com is SafeOpen PDF Auto Drains Description: How do I troubleshoot Nuvair Auto Drains?Open PDF Auto Drains Description: Coltri Auto Drain Seal/Poppet ComparisonsOpen PDF Auto Stop Description: How do I install a digital pressure switch upgrade?Watch Check Valves Description: Coltri Check Valves 955 & SC000492 O-Ring DisambiguationOpen PDF Compressors Description: Start-Up Warranty Registration Form for authorized compressor start-up personnel.Open PDF Connection Description: How do I connect an LP nitrox compressor to a high pressure compressor?Watch EK76 Description: How do I check/change oil on an EK76 low pressure compressor?Watch Fill Containment Description: How do I adjust fill containment station (blast cabinet) pneumatic door controllers?Open PDF Hyperfilter Description: How do I replace the molecular sieve in the reusable Hyperfilter cartridge?Watch Hyperfilter Description: How do I replace activated carbon and molecular sieve in the reusable Hyperfilter cartridge?Watch Maxifilter Description: How do I replace activated carbon in the reusable Maxifilter cartridge?Watch Maxifilter Description: How do I replace the molecular sieve in the reusable Maxifilter cartridge?Watch Maxifilter Description: How do I replace activated carbon, CO catalyst, and molecular sieve in the reusable Maxifilter cartridge?Watch Megafilter Description: How do I replace the molecular sieve in the reusable Megafilter cartridge?Watch Megafilter Description: How do I replace activated carbon in the reusable Megafilter cartridge?Watch Megafilter Description: How do I replace activated carbon and molecular sieve in the reusable Megafilter cartridge?Watch Nitrox Description: Low Nitrox Percentage Output Troubleshooting GuideOpen PDF PayPal Description: Using PayPal (with or without a PayPal account) to pay for Nuvair.com purchases.Open PDF 13-00-0147 Description: How do I maintain Pressure Maintaining Valve 13-00-0147?Open PDF 13-00-0127/R Description: How do I maintain Pressure Maintaining Valve 13-00-0127/R?Open PDF Q325 Belt Guard Description: How to I install a belt guard support bracket on Quincy 325 diesel and electric compressors?Open PDF Racks & Frames Description: What is the certification process for tank racks and equipment frames?Open PDF Filter Elements Description: Walker Filtration After-Market Element Replacement GuideOpen PDF No results in this section.
