Baxi LUNA DUO-TEC 1.70 User Manual page 15

Configuration fault or
Su:16
(1)
SU PCB not recognized
Configuration fault or default
Su:17
(1)
parameter table incorrect
Configuration fault or PSU
Su:18
(1)
PCB not recognized
Configuration fault or
Su:19
(1)
parameters "df-du" unknown
Su:20 Identification running
(1)
Communication error with the
Su:21
SU PCB
No flame during
Su:22
operation
Internal error on the
Su:25
(1)
SU-PCb
Su:29 tFG sensor above maximum
(2)
setpoint
No tFG sensor connected /
Su:30
(2)
shorted Boiler stop
after 5 times tF>tF Max:
Su:33
controlled stop
after 5 times tFG>tfmax:
Su:34
(2)
controlled stop
Insufficient gradient on
Su:35 T1(supply) or T2(return) after
burner starts
(1) These lock-outs are not stored in the fault memory
(2) tFG : flue gas sensor
Wrong SU PCB for this boiler
Parameter dF-dU error on the PSU
PCB
Wrong PSU PCB for this boiler
---
---
Bad connection
No ionization current
---
Non-existent or insufficient water
circulation / sensor error
Flue high limit disconnected /
Sensor error
Non-existent or insufficient
circulation / sensor error
Non-existent or insufficient
circulation / sensor error
Non-existent or insufficient
circulation / sensor error
15
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
Contact a qualified Service Technician
7703476.01 (1-03/18)