Operation, indication, diagnostics
63
20093868
GB
Tab. U
Loc 10
Error not relatable (application), internal error
Wiring error or internal error, output contacts, other faults
Loc 12
Valve proving
Fuel valve 1 leak
Loc 13
Valve proving
Fuel valve 2 leak
Loc 14
POC error
Error valve closure control POC
Loc 20
Gas pressure switch min open
Gas shortage
Loc 22
Safety loop open
–
Gas pressure switch-max open
–
Safety limit thermostat cut out
Loc 60
Analog power source 4...20 mA, I < 4 mA
Wire breakage
Loc: 83
Faulty PWM fan
–
PWM fan does not reach the target speed within the pre-
set period of time, or
–
After reaching the target speed, the PWM fan leaves the
tolerance band again (P650) for a time exceeding the tol-
erance time speed deviation (P660)
Loc 138
Restore process successful
Restore process successful
Loc 139
No program module detected
No program module identified
Loc 167
Manual locking
Manual locking
Loc: 206
AZL2... incompatible
Use the latest version
Loc: 225
Faulty PWM fan
–
Fan speed dropped below the minimum prepurge PWM
(P675.00) after reaching the prepurge speed, or
–
After reaching the ignition load speed, the maximum ig-
nition load PWM (P675.01) was exceeded
Loc: 226
Faulty PWM fan
Parameterization error:
–
Speed low-fire > speed high-fire, or
–
Low-fire = 0 rpm, or
–
Maximum speed = 0 rpm
Loc: 227
Faulty PWM fan
One or several parameters violate the minimum/maximum
limit
rSt Er1
Error in compatibility program module to basic unit during re-
store process
Program sequence of program module does not
match the basic unit
rSt Er2
Error in compatibility program module to basic unit during re-
store process
Hardware of basic unit does not match the program module
rSt Er3
Error during the restore process
–
Program module faulty
–
Program module removed during restore process
Error code
Clear text
Possible cause