MovinCool Office Pro W20 Service Manual - Manual (Page 39)

Repair Section
39
9. TROUBLESHOOTING
9.1 Troubleshooting
• Before troubleshooting the system, the following inspection should be performed.
WARNING
• Disconnect power prior to servicing the relay board.
• Failure to follow this warning may lead to electrical shock.
(1) Inspection of power source voltage
• Check the voltage of the power source.
- Single phase 115 V (60 Hz)
• Check the operation and condition of the fuse or circuit breaker in the power source.
(2) Inspection of air filter
• Remove the air filter and check the element. If the element is dirty, wash it as described in the
OPERATION MANUAL supplied with the unit.
(3) Inspection of drain tank
• Make sure tank is fully drained.
The following pages (page 40 to 47) are self-diagnostic codes and troubleshooting information.