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Troubleshooting by Indication on the Remote Controller
SiUS30-1301
180
Service Diagnosis
3.1
8
Ground Leakage by Leak Detection PCB Assy
Error Code
E2
Applicable
Models
RWEYQ72P, 84P
Method of Error
Detection
Failure is to be detected by using leak detection PCB assy.
Error Decision
Conditions
Leakage is detected under the conditions condensing of the scope of high pressure switch
operation.
Supposed
Causes
Defective of compressor
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 whole
product for insulation
resistance using a
megger
tester.
Check
the connectors
of the high pressure
switch line for any
disconnection.
Check
the ground
leakage detection PCB
(
∗
1) for any
broken
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
ground leakage
detection PCB
(
∗
1).
Insulation fault
Not fault
Not fault
Connected
No
Insulation fault
Disconnected
YES
Reinstall all wirings.
A