Troubleshooting by Indication on the Remote Controller
95
Troubleshooting
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Check
the compressor
for insulation using a
megger tester.
Check the
connectors of the
high pressure switch
line for any
disconnection.
Check the
earth leakage
detection PCB for any
broken wire in it.
Turn OFF the power
supply, and then
disconnect compressor
lead wire.
Replace the
defective part.
Replace the
defective part.
Securely connect
the connectors.
Replace the
earth leakage
detection PCB.
Insulation fault
Not fault
Not fault
Connected
No
Insulation fault
Disconnected
YES
Reinstall all wirings.
Turn ON the power supply.
Check the
whole product for
insulation resistance
using a megger
tester.
A