Sanden GAU?A45HPA, Service Book

Page: 31 / 48

Sanden Heat Pump –– Service Technical Book
Page 31 of 48
Check Points
Error
Code
Error Contents
Error Detection Condition &
Diagnostic Connector
No. or
Maintenance
Monitor No.
Connector
Colour
Judgment & Repair Methods
E113 Over current error detected in
compressor operation control
㩷 㩷 㩷
㩷
<Check Items>
㩷 㩷 㩷
㩷 - Check for HP control PC board
connector connection 㩷 㩷 - Confirm connector connections
㩷 - Error in compressor wiring 㩷 㩷 - confirm connection of wire terminals
to compressor is in the right order
㩷 - Error in connection on power
supply terminal block 㩷 㩷 - Confirm cable is connected
correctly at terminal block
㩷
- Check dust being stuck on HP
connector filter
㩷 㩷
- Remove dust on filter
㩷
- Bends or blockings and freeze
on HP connection pipes
㩷 㩷
-Correct piping and remove bends
and blockings
㩷 - Stopper valve is closed 㩷 㩷 - Open stopper valve
㩷 - Air exists in water pipe 㩷 㩷 - Remove air
㩷
- Water circulation pump
malfunction
㩷 㩷
- Conduct operation check on water
circulation pump
㩷
- Power cutoff occurred
㩷 㩷
- Check Power supply cable wiring
layout
㩷
- Power supply voltage error
㩷 㩷
- Confirm power supply voltage
(240+/-14V)
㩷
INV Transient Over-
Current Error on
Software (inverter)
- PC board malfunction 㩷 㩷 - PCB replacement required if same
error occurs again after re-run of heat
pump
E114 Error detected inside PC board
㩷 㩷 㩷
㩷
<Check Items>
㩷 㩷 㩷
㩷
INV Converter Current
detection Circuit Error
- PC Board malfunction 㩷 㩷 - PCB replacement required if same
error occurs again after re-run of heat
pump
E115 Error detected inside PC board
㩷 㩷
㩷
<Check Items>
㩷 㩷
㩷
INV Inverter Current
Detection Circuit Error
- PC Board malfunction 㩷 㩷
- PCB replacement required if same
error occurs again after re-run of heat
pump
E120 Over voltage error detected in
compressor operation control
㩷 㩷 㩷
㩷
<Check Items>
㩷 㩷 㩷
㩷 - Check for HP control PC board
connector connection 㩷 㩷 - Confirm connector connections
㩷 - Error in compressor wiring 㩷 㩷 - confirm connection of wire terminals
to compressor is in the right order
㩷
- Error in connection on power
supply terminal block
㩷 㩷
- Confirm cable is connected
correctly at terminal block
㩷
- Check dust being stuck on HP
connector filter
㩷 㩷
- Remove dust on filter
㩷
- Bends or blockings and freeze
on HP connection pipes
㩷 㩷
-Correct piping and remove bends
and blockings
㩷 - Stopper valve is closed 㩷 㩷 - Open stopper valve
㩷
- Air exists in water pipe
㩷 㩷
- Remove air
㩷
- Water circulation pump
malfunction
㩷 㩷
- Conduct operation check on water
circulation pump
㩷 - Power cutoff occurred 㩷 㩷 - Check Power supply cable wiring
layout
㩷
- Power supply voltage error
㩷 㩷
- Confirm power supply voltage
(240+/-14V)
㩷
INV Power Supply Over-
Voltage Error
- PC board malfunction
㩷 㩷
- PCB replacement required if same
error occurs again after re-run of heat
pump