Sanden
Heat
Pump
–
Service
Technical
Book
Page
25
of
48
8. Error Codes
When an error has occurred, a red lamp on the LED status window turns on and an error
code is displayed on the display window. The panel does not turn to the display sleep
mode while the error code is shown.
After a component is replaced or the inspection is completed, turn the breaker on/off
several times to confirm the error does not re-occur.
Below is the list of the error codes. If the corrective action does not solve the error problem,
a malfunction of the PCB valve is highly likely.
Check Points
Error
Code
Error Contents
Error Detection Condition &
Diagnostic
Connector
No. or
Maintenance
Monitor No.
Connector
Colour
Judgment & Repair Methods
E010
When -30degC or less is detected
㩷
㩷
㩷
㩷
HP Inlet Temperature
Thermistor Wire Break
Refer to Thermistor diagnostic
CN4
White
- Resistance: (See Table-1 in p.g.12)
E011
When -30degC or less is detected
㩷
㩷
㩷
㩷
HP Inlet Temperature
Thermistor Short Circuit
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-1 in p.g.12)
E012
When -30degC or less is detected
㩷
㩷
㩷
㩷
HP Outlet Temperature
Thermistor Wire Break
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-1 in p.g.12)
E013
When -30degC or less is detected
㩷
㩷
㩷
㩷
HP Outlet Temperature
Thermistor Short Circuit
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-1 in p.g.12)
E014
When -30degC or less is detected
㩷
㩷
㩷
㩷
HP Ambient
Temperature Thermistor
Wire Break
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-2 in p.g.12)
E015
When 100degC or more is
detected
㩷
㩷
㩷
㩷
HP Ambient
Temperature Thermistor
Short Circuit
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-2 in p.g.12)
E016
When 150degC or more is
detected
㩷
㩷
㩷
㩷
HP Defrost Temperature
Thermistor Wire Break
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-4 in p.g.12)
E017
When 150degC or more is
detected
㩷
㩷
㩷
㩷
HP Defrost Temperature
Thermistor Short Circuit
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-4 in p.g.12)
E018
When 100degC or more is
detected
㩷
㩷
㩷
㩷
HP Discharge
Temperature Thermistor
Wire Break
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-3 in p.g.12)
E019
When 100degC or more is
detected
㩷
㩷
㩷
㩷
HP Discharge
Temperature Thermistor
Short Circuit
Refer to Thermistor diagnostic
㩷
㩷
- Resistance: (See Table-3 in p.g.12)
E020
When -30degC or less is detected
㩷
㩷
㩷
㩷
Tank Thermistor A Wire
Break
Refer to Thermistor diagnostic
CN5
White
- Resistance: (See Table-5 in p.g.12)
E021
㩷
Tank Thermistor A Short
Circuit
When -30degC or less is detected
Refer to Thermistor diagnostic
㩷
CN5
㩷
White
㩷
- Resistance: (See Table-5 in p.g.12)