Service Guide

Repair Section
43
6. TROUBLESHOOTING
WARNING
• Disconnect power supply from the unit before performing any service. Beware that some
residual voltages may remain in the unit immediately after the power is disconnected.
6.1 Troubleshooting
• Before troubleshooting the system, the following inspection should be performed.
(1) Inspection of power source voltage
• Check the voltage of the power source.
- Single-phase 208/230 V (60 Hz)
• Check the operation and condition of the fuse or circuit breaker in the power source.
(2) Inspection of air filters
• Remove the air filters and check the element. If the element is dirty, wash it as described in the
OPERATION MANUAL supplied with the unit.