Repair Section
56
8. TROUBLESHOOTING
8.1 Troubleshooting
• Before troubleshooting the system, the following inspection should be performed.
WARNING
• Disconnect power supply from the unit before performing any service. Beware that some
residual voltage may remain in the unit immediately after the power is disconnected.
(1) Inspection of power source voltage
• Check the voltage of the power source.
- 1 Phase 115 V (60 Hz)
• Check the operation and condition of the fuse or circuit breaker in the power source.
(2) Inspection of power cord
• Check the power cord. If dirty, wipe off with a clean dry cloth. If damage or excess play is found,
replace it.
(3) Inspection of air filters
• Check the air filters. If dirty, clean the air filters as described in the OPERATION MANUAL
supplied with the unit. If damage is found, replace it.
(4) Inspection of drain tank
• Check the drain tank and empty the water. If damage is found, replace it.
The following pages (page 57 to 68) are self-diagnostic codes and troubleshooting information.
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