Saijo Denki CVIA-80-CPF3, Service Manual

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Code Name Description 1 Check Posltion Description 2
Connector (B323S01) P4
Connector (B268S01) P16
- Check Slave board Slave board 6SP505AMWB268S01
- Check master board Master board 6SP505AMWB323S01
- Check connector and wiring between
master board and cooler
CONNECTOR (B323S01) P4 (B323S01) -- TS3 (RS485)
- Check board of cooler Indoor board
B296D / B296A
- Check master boad Master board 6SP505AMWB323S01
- Check all connector sensor on contor board
at position
Slave board P3 (B268S01)
- Check the wire of the sensor - -
- Check sensor resistance - -
- Check operation of the control board Control board 6SP505AMWB313SS01
- Check all connector sensor on control board
at position
Slave board P3 (B268S01)
- Check the wire of the sensor - -
- Check sensor resistance - -
- Check operation of the control board Control board 6SP505AMWB313SS01
- Check all connector sensor on control board
at position
Slave board P3 (B268S01)
- Check the wire of the sensor - -
- Check sensor resistance - -
- Check operation of the control board Control board 6SP505AMWB313SS01
- Check all connector sensor on control board
at postion
Slave board -
- Check the wire of the sensor Room sensor 6SP551A-00013
- Check sensor resistance - -
- Check operation of the control board Control board 6SP505AMWB313SS01
- Check all connector sensor on control board
at position
Slave board P6 (B268S01)
- Check the wire of sensor - -
- Check sensor resistance - -
- Check operation of the control board Slave board 6SP505AMWB268S01
- Check all connector sensor on control board
at position
Slave board P7 (B268S01)
- Check the wire of sensor - -
- Check sensor resistance - -
- Check operation of the control board BOARD SLAVE 6SP505AMWB268S01
- Check the wiring between compressor 1
and control board of comoressor
- -
- Check the coil resistance of the compressor
1
- -
- Check operation of the compressor 1
control board
Control board 1 6SP505AMWB313SS01
- Check the wiring between compressor 2
and control board of comoressor
- -
- Check the coil resistance of the compressor
2
- -
- Check operation of the compressor 2
control board
Control board 2 6SP505AMWB313SS01
21 - - - - -
22 - - - - -
23-29 - - - - -
- Check the quantity of working fiuld in the
system
- -
- Check blockage of refrigerant piping - -
- Check the cooling of the heat sink
- Check operation of compressor 1 Compressor 1 ANB78FVAMT
6SP200S-3510002
- Check resistance of sensor at compressor
1 outlet
Sensor Discharge 1 -
- Check reading sensor of slave board Slave board 6SP505AMWB268S01
- Check the quantity of working fiuld in the
system
-
-
- Check blockage of refrigerant piping - -
- Check the cooling of the heat sink - -
- Check operation of compressor 2 Compressor 2 ANB78FVAMT 6SP200S-3510002
- Check resistance of sensor at compressor
2 outlet
Sensor Discharge 2 -
- Check reading sensor of slave board Slave board 6SP505AMWB268S01
Saijo denki International co.,ltd. 60
12
Communication loss with
Indoor unit There is not communicate
wilt cooler.
13
Outdoor unit Ambient
Temperature sensor fail
There is an error in the
temper sensor at the heat
sink Inlet.
ERROR CODE
16
Outdoor unit Mid Coil
Temperature sensor fail
There is an error in the
refrigerant temperatre
sensor at a middle of heat
sink coil.
17
Compressor1 Discharge
pipe temperature sensor
fail
Threr is an error in the
refrigerant temperature
sensor at compressor 1
outlet.
Control Ass'y
11
Communication loss with
Slave PCB There is not communicate
wilt Slave PCB.
- Check connector and wiring between
master board and slave board
14
Outdoor unit Inlet Coil
Temperature sensor fail
There is an error in the
refrigerant temperature
sensor at the heat sink coil
Inlet.
15
Outdoor unit Outlet Coil
Temperature sensor fail
There is an error in the
refrigerant temperature
sensor at the heat sink coil
Outlet.
20
Compressor2 Current
sensor fail
There is an error in the
dldctric current sensor of
compressor 2
30
Compressor1 Discharge
pipe over temperature The Outlet temperature of
copressor 1 is overheated.
18
Compressor2 Discharge
pipe temperature sensor
fail
Threr is an error in the
refrigerant temperature
sensor at compressor 2
outlet.
19
Compressor1 Current
sensor fail
There is an error in the
dldctric current sensor of
compressor 1
31
Compressor2 Discharge
pipe over temperature The Outlet temperature of
copressor 2 is overheated.
6SP501ASRV029