Saijo Denki CVIA-100-CPF3, Service Manual

Page: 68 / 105

Code Name Description 1 Check Posltion Description 2
- Check cooling fan at control board of
compressor 1
- -
- Check the fitting between control board of
compressor 1 and and aluminium plate
- Check sillcon between control board of
compressor and aluminium plate
- Check resistance of temperature sensor at
aluminium plate
- -
- Check control board od of compressor 1 Control board 1 -
- Check cooling fan at control board of
compressor 2
Motor out 2 6SP511A-00101
- Check the fitting between control board of
compressor 2 and aluminium plate
6SP505AMWB313SS01
- Check silicon between control board of
compressor and aluminium plate
-
- Check resistance of temperature sensor at
aluminium plate
- -
- Check control board of compressor 2 Control board 2 6SP505AMWB313SS01
Coil ass'y 6SP301ASRV031
Propeller 20" 6SP431B-00008
- Check speed of cooling fan motor Motor out 6SP511A-00101
- Check the quantity of working fluid in the
system
- -
- Check resistance of temperature sensor at
a middle of heat sink plate
- -
- Check operation of slave board Slave board 6SP505AMWB268S01
Coil ass'y 6SP301ASRV031
Propeller 20" 6SP431B-00008
- Check speed of cooling fan motor Motor out 6SP511A-00101
- Check the quantity of working fluid in the
system
-
- Check resistance of temperature sensor at
a middle of heat sink plate
-
- Check operation of slave board Slave board 6SP505AMWB268S01
- -
- -
- Check speed of cooling fan motor - -
- Check blockage of refigerant piping - -
- Check the quantity of working fluid in the
system
- Check resistance of the low-pressure switch - -
- Check operation of slave board Slave board 6SP505AMWB268S01
37 - -
- Check the supply voltage to heat sink - -
- Check control board of compressor Control board
- Check the supply voltage to heat sink Terminal TS2
- Check cable size of the heat sink - -
- Check control board of compressor Control baord 6SP505AMWB313SS01
- Check the quantity of working fluid in the
system
-
- Check the cooling of the heat sink -
- Check the supply voltage to heat sink -
- Check blockage of refrigerant piping -
- Check control board of compressor 1 Control board 1 6SP505AMWB313SS01
- Check operation of compressor 1 Compressor 1 ANB78FVAMT 6SP200S-3510002
- Check the quantity of working fluid in the
system
-
- Check the cooling of the heat sink -
- Check the supply voltage to heat sink -
- Check blockage of refrigerant piping -
- Check control board of compressor 2 Control board 2 6SP505AMWB313SS01
- Check operation of compressor 2 Compressor 2 ANB78FVAMT 6SP200S-3510002
- Check the quantity of working fluid in the
system
- -
- Check the cooling of the heat sink - -
- Check the supply voltage to heat sink - -
- Check blockage of refrigerant piping - -
- Check control board of compressor 1 Control board 1 6SP505AMWB313SS01
- Check operation of compressor 1 Compressor 1 ANB78FVAMT 6SP200S-3510002
Saijo denki International co.,ltd. 61
6SP505AMWB313SS01
- Check dirt at heat sinK plate and cooling fan
- Check dirt at heat sink plate and cooling fan
- Check dirt at heat sinK plate and cooling fan
Control board 1
Control board 2
33
Compressor2 Inverter
Driver over temperature
The control board
tempersture of compressor
2 is overheated.
34
Outdoor unit Condenser
over temperature The heat sink coil
temperature is overheated.
32
Compressor1 Inverter
Driver over temperature
The control board
tempersture of compressor
1 is overheated.
38 Compressor Over voltage
The voltage of compressor
is higher than the specified
value.
39
Compressor Under
voltage
The voltage of compressor
is lower than the specified
value.
35
Outdoor unit High
pressure switch trip
The pressure of refrigerant
in the system is higher than
the specifide value.
36
Outdoor unit Low
pressure switch trip
The pressure of refrigerant
in the system is lower than
the specifide value.
40
Compressor1 Over
Current
The electric current of
compressor 1 is higher
than the specified value.
41
Compressor2 Over
Current
The electric current of
compressor 2 is higher
than the specified value.
ERROR CODE Control Ass'y
6SP501ASRV029
42
Compressor1 Inverter
Driver Over Current
The electric current of
control board of
compressor 1 is higher
than the specified value.