Sanden Heat Pump – Owner’s Manual
Page 10 of 20
Error Codes
When an error has occurred, a red LED on the operation panel turns on and an error code
is displayed on the LED display. The panel does not turn to the display sleep mode while
the error code is shown.
Figure 3 Error Code example
Below is the list of the error codes. If the corrective action does not solve the error problem,
a malfunction of the PCB is highly likely.
Error
code
Error contents
Error
code
Error contents
E001
HP water outlet over
temperature 1
E015
HP ambient temperature
thermistor wire break
E002
HP water outlet over
temperature 2
E016
Tank thermistor wire break
E003
HP outlet temperature thermistor
detection error
E021
HP inlet temperature thermistor
wire short circuit
E004
HP discharge over temperature
1
E022
HP outlet temperature thermistor
wire short circuit
E005
HP discharge over temperature
2
E023
HP discharge temperature
thermistor wire short circuit
E006
HP discharge temperature
Thermistor detection error
E024
HP defrost temperature
thermistor wire short circuit
E007
High pressure side error
E025
HP ambient temperature
thermistor wire short circuit
E008
High ambient temperature
defrost drive error
E026
Tank thermistor short circuit
E009
HP defrost thermistor detection
error
E031
Fan motor locked
E011
HP inlet temperature thermistor
wire break
E032
Fan motor revolution error
E012
HP outlet temperature thermistor
wire break
E034
Water circulation pump locked
E013
HP discharge temperature
thermistor wire break
E040
～
E089
System control error
E014
HP defrost temperature
thermistor wire break
