Diagnostics
40
8
8
DIAGNOSTICS
8.1
OPERATIVE CODES
Table 8.1
Operative codes GAHP-AR
Code
Description
Warning (u)
Error (E)
600
Flame controller reset circuit fault
NA
Power cycle the appliance.
If the code persists, shows up again or in case of doubt, contact the
TAC.
601
Limit thermostat trip
Contact authorised Technical Assistance
602
Flue gas thermostat trip
Contact authorised Technical Assistance
603
Chilled water antifreeze thermostat
trip
Reset is automatic when the triggering condi-
tion ceases.
NA
604
Insufficient ventilation in cooling
mode
Reset occurs automatically 20 minutes after the
code is generated.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
605
Outdoor temperature exceeding
operational limits
NA
Reset is automatic when the triggering condition ceases.
606
Outdoor temperature below
operational limits
Non-blocking Warning (informative code).
The code is reset automatically when the trig-
gering condition ceases.
NA
607
High generator temperature
Reset is automatic when the triggering condi-
tion ceases.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
608
Flame controller error
NA
Contact authorised Technical Assistance
610
Low water flow
Reset is automatic when the triggering condi-
tion ceases.
Check and clean water filters on the system.
Check for air in the system.
Check water flow pump.
Power cycle the appliance.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
611
Insufficient rotation of oil pump
Reset occurs automatically 20 minutes after the
code is generated.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
612
Flame controller lockout
Reset is automatic up to 4 attempts (in about
5 minutes).
Check gas supply.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 0).
If the code persists or in case of doubt, contact the TAC.
616
Chilled water delivery temperature
probe fault
NA
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
617
Chilled water inlet temperature
probe fault
NA
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
618
Condenser temperature probe
fault
NA
Reset is automatic in case of switching from “cold” to “hot” mode.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
620
Generator temperature probe fault NA
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
626
Generator fins temperature probe
fault
Reset is automatic when the triggering condi-
tion ceases.
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
628
Flame controller error
NA
Power off the appliance.
Contact the TAC.
629
Gas solenoid valve without electri-
cal power
Reset occurs automatically if the gas solenoid
valve switches on again within 10 minutes
(with central flame control unit on).
Reset may be performed from the DDC or from the S61 board (menu
2, parameter 1).
If the code persists, shows up again or in case of doubt, contact the
TAC.
