Daitsu FMCD*ECM series - Troubleshooting Guide

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SK2014‐SON‐002‐TechMnl‐FMCD‐003
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G. TroubleshootingGuide
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Symptoms Cause Remedy
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Thefancoildoes
notstartup
Novoltage
Mainsswitchinthe“OFF
position
Faultyroomcontrol
Faultyfan
- Checkforpresenceof
voltage
- Placeinthe“ON”position
- Checktheroomcontrol
- Checkfanmotor
Filterclogged
Airflowobstructed
Roomcontrolregulation
Incorrectwatertemperature
Airpresent
Insufficientoutput
- Cleanthefilter
- Removeobstacles
- Checktheroomairsensor
- Checkthewatersource
- Checktheairvent
Contactbetweenmetalparts
Loosescrews
Noiseand
vibrations
- Checkforlooseningparts
- Tightenscrews