Table of Contents
Advertisement
C
h
e
c
k
c
o
d
e
Compressor breakdown
Conduction in rotor-stop has
[A18]
occurred (H-HWM)
Is power supply voltage of H-
HWM normal?
AC198 to 264V
Is wire connection correct?
Compressor lead
(P.C. board side, Compressor
side),
Reactor lead, Power supply
lead
Does an abnormal overload
happen?
C
h
e
c
k
c
o
d
e
n
a
m
e
YES
YES
NO
C
1. H-HWM power line trouble
2. Compressor circuit system trouble
3. Compressor trouble
4. Abnormal overload in operation
5. IPDU P.C. board of H-HWM trouble
NO
Correct power supply line.
NO
Check wire connection
YES
Remove and improve
the cause of overload.
Check IPDU P.C. board
– 79 –
a
u
s
e
and correct it.
of H-HWM.
Failure → Replace.
Advertisement
Table of Contents
Troubleshooting
