Check
code
[1C]
Outdoor
LED display
Check and troubleshooting
(Item without special mention indicates part of outdoor unit.)
∗
There is a possibility that it is one of the following errors.
Confirm LED on
display
P.C. board
(MCC-1646)
to judge which error it is.
Compressor system error, Compressor lock, Gas side temp. sensor (TGa to TG
c
)
error, Gas leakage, PMV error
[Compressor system error, Compressor lock]
Check wiring construction.
Ask repair of power supply.
Check wire connection
and correct it.
Check TE, TS sensor and PMV.
Detect
→
Replace.
.
Remove blocking matter.
Correct short-circuit.
Check outdoor P.C.B MCC-1
645
and MCC-
1665
.
Defect
→
Replace
Compressor lock
→
Replace.
1
1
Does PMV correctly operate?
Is there refrigerant stagnation?
Is compressor under correct condition?
Is AC mains voltage correct?
(198 to 264V)
Does something block
the ventilation around the heat sink?
Does something air flow from the fan?
Apply radiation grease to objective parts.
Retightening of screws.
Is wire connection correct?
Compressor lead
(Board side, Compressor Side),
Reactor lead, Power supply lead.
Are the power devices on P.C. board
MCC-1
645
screwed without looseness?
(Rear sides of
IC200
, Q
404
, DB01, DB02)
Are
radiation grease properly applied
these
?
1
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
{
:ON
(
{
*:3 sec ON / 0.5 sec OFF)
z
:OFF
*
*
z
z
- 8
7
-
FILE NO. SVM-15102
Summary of Contents for RAS-2M14S3AV-E
Page 31: ...4 1 Outdoor Unit 4 CONSTRUCTION VIEWS FILE NO SVM 15102 31 Unit mm ...
Page 116: ......
