7.5.
E
rror Codes and Description
Error
Code
Description
Error
Code
Description
E01
Ignition Lockout indication
E02
False flame indication
E82
Flame lost too many times in recent past
E03
High limit temperature protection
(supply or return sensor)
F07
Flue sensor temperature too high error
E05
No frequency feedback from fan after 1
minute
F13
Remote reset volatile lockout
E08
Flame circuit failure
F34
Low power supply from mains
E09
Valve feedback error
F37
Water pressure is too low
E12
EEPROM integrity lockout
F39
Outdoor temperaure sensor error
E15
Drift sensors check failed
F40
The water pressure in the CH installation
is too high
E16
Supply sensor stuck_at test failed
F47
Water pressure sensor is not connected
E17
Return sensor stuck_at test failed
F50
DHW solar storage tank BOTTOM sensor
error
E18
Cracked sensor test failed
F51
PT1000 temperature sensor error
E21
Analog to digital converter failure
F52
DHW water temperature sensor error
E33
Return water temperature sensor error
F53
Flue sensor short or open circuit
E35
Supply water temperature sensor error
F58
Flue Gas Lock Up at High Temperature
F81
Drift test waiting
E80
Supply return swap test
F25
Electronic Card Fault
Table
9
.
Error Codes and Description
23