
101
Troubleshooting MVCU-2009
LED Indicator Lights : Normal Operation and Fault Conditions for Cooling Unit
POWER
TIMER SLEEP HEAT
Operation / Fault Indication
Cool mode
Timer on
Sleep mode on
Once every 3 sec
Compressor Overload
Twice every 3 sec
Pump Fault
3 times every
3 sec
Gas Leak
4 times every
3 sec
Room / Indoor / Outdoor Coil / Sensor Contact
Loose / Short
- ON - ON or OFF - Blinking
MCK-A Series
Operating State and Fault Table
Wireless Remote Control
Cooling : LED Indicator Light Display
POWER TIMER SLEEP
13_Troubleshooting.indd 10113_Troubleshooting.indd 101 4/28/2009 11:30:56 AM4/28/2009 11:30:56 AM
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