Troubleshooting
Si10-417
116
Service Diagnosis
Trouble
shooting
Check
No.7-1
Refer to
P.158
Check No.8
Refer to
P.160
Check
No.13
Refer to
P.163
Fully open the stop
valve.
Correct the power
supply or replace the
SPM.
(Replace the outdoor
unit PCB.)
Stop valve fully open?
NO
YES
Error again?
NO
YES
YES
NO
Any LED off?
Turn off the power and turn it
on again to get the system
started. See if the same error
occurs.
Turn off the power and
disconnect the harnesses U, V
and W.
Check with the inverter
checker (
∗
).
∗
An output over-current may result from wrong internal wiring. If the
wires have been disconnected and reconnected for part
replacement, for example, and the system is interrupted by an
output over-current, take the following procedure.
A
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
2A
Si10-417.fm Page 116 Wednesday, September 22, 2004 6:38 PM
