Buderus Logamax GB062-24 KDE H V2, Руководство по обслуживанию

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4
Fault finding
Logamax PLus GB062 15
4 Fault finding
4.1 Explanations of faults table
Each title of the table shows the error code in the display and
at the same time the cause of the error in general. To repair
any possible fault in the device, follow the troubleshooting
steps in order until the fault is detected.
4.2 Fault group definition
Shown failures are divided in diffrent category :
• RUN : Fault does not block the burner.
•
WAIT : Fault blocks the burner until faults removes.
•
BLOCK : Fault blocks the burner until mains supply off
(volatile lockout).
•
LOCK : Faults blocks the burner (nonvolatile lockout).
•
RESET : Fault causes a board reset.
• HIST : Fault code is only stored in EEPROM fault history.
Failure Code
Cause
Code
Failure
Category Failure description Page
CL 324 RUN Hot water temperature sensor is faulty.
17
5L 323 RUN BUS-Communication fault. 19
CP 326 RUN WBC...D appliances (system boiler): Cylinder/tank temperature sensor. 20
3Y 334 WAIT The differential pressure switch is open before ignition (during self
check) (only high modulation version).
20
3C 217 WAIT Fan not running.
20
2E 207 WAIT Heating system charge pressure is too low. 23
8Y 232 WAIT External switching contact triggered. 24
4Y 223 WAIT Flow temperature sensor (CH-NTC) faulty.
26
4C 224 LOCK - Heat exchanger temperature limiter or flue gas temperature limiter has
tripped.
- The differential pressure switch does open when the fan runs (after
ignition) (only high modulation version).
30
6A 227 LOCK Flame not detected. 30
EC 256 LOCK Internal fault. 35
6C 228 LOCK Flame detected even when the burner is switched off.
36
6C 308 LOCK After switching gas off : Flame is detected .
37
EP 327 LOCK The “OK” button was actually pressed for at least 5 seconds (= reset). 38
WAIT Gradient Monitoring. 43
P 78 WAIT Appliance code not defined. 44
Tab. 7 Failure codes shown in display