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9.2
List of error codes with operation using AZL21... Display
Error
Clear text
code
bAC Er3 Programme module compatibility fault with the base unit dur-
ing the back-up process
Err PrC
Fault with the program module
Loc 2
No flame at the end of the safety time
Loc 3
Error with air pressure switch (air pressure switch soldered
in position with no load), reduction to specified time (air pres-
sure switch) response time)
Loc 4
Extraneous light
Loc 5
Air pressure error, air pressure switch soldered in an opera-
tional position
Loc 6
Fault with the actuator
Loc 7
Loss of flame
Loc 8
---
Loc 9
---
Loc 10
Non attributable error (application), internal error
Loc 12
Valve test
Loc 13
Valve test
Loc 14
POC error
Loc 20
Min gas pressure switch open
Loc 22
Safety loop open
Loc 60
Analogue power supply source 4...20 mA, I < 4 mA
Loc: 83
PWM fan faulty
Loc 138
Reset process successful
Loc 139
No program module detected
Loc 167
Manual lockout
Loc: 206 AZL2... incompatible
Loc: 225 PWM fan faulty
Loc: 226 PWM fan faulty
Loc: 227 PWM fan faulty
rSt Er1
Programme module compatibility fault with the base unit dur-
ing the reset process
rSt Er2
Programme module compatibility fault with the base unit dur-
ing the reset process
rSt Er3
Error during the reset process
20152192
Operation, indications, diagnostic
60
GB
Possible cause
The program sequence of the program module is not com-
patible with the base unit
–
Error in the data contained in the program module
–
No program module
–
Fuel valves dirty or defective
–
Flame detector dirty or defective
–
Burner not adjusted correctly, no fuel
–
Ignition device defective
Air pressure switch faulty
–
Loss of air pressure signal after the specified time
–
The air pressure switch is soldered in a position without
load
Burner start-up extraneous light
Air pressure switch time out
–
The air pressure switch is soldered in an operational posi-
tion
–
Actuator defective or blocked
–
Faulty connection
–
Incorrect adjustment
–
Too many flame losses during operation (limitation of
repetitions)
–
Fuel valves dirty or defective
–
Flame detector dirty or defective
–
Burner adjustment incorrect
Free
Free
Wiring error or internal error, outlet contacts, other faults
Fuel valve 1, leak
Fuel valve 2, leak
POC error valve closure control
No gas
–
Max gas pressure switch open
–
Limit thermostat safety lockout
Wire broken
–
The PWM fan does not reach the expected speed within
the pre-set period of time, or
–
After reaching the expected speed, the PWM fan once
again falls outside the tolerance range (P650) for a peri-
od of time greater than the time admissible for speed de-
viation (P660)
Reset process successful
No program module identified
Manual lockout
Use the latest version
–
The fan speed dropped below the PWM pre-purging
maximum (P675.00) after reaching the pre-purging
speed, or
–
After reaching the ignition load speed, the PWM maxi-
mum ignition load (P675.01) was exceeded
Configuration error:
–
Low flame speed > high flame speed, or
–
Low flame = 0 rpm, or
–
Maximum speed = 0 rpm
One or more parameters violate the minimum/maximum limit
The sequence of the program module is not compatible with
the base unit
The hardware of the base unit is not compatible with the pro-
gram module
–
Fault with the program module
–
Program module removed during the reset process
Tab. W
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