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DTC TABLE

BME070201038202

DTC | Possible cause | Page
--- | --- | ---
B1317 | Input voltage high | (See DTC B1317)
B1318 | Input voltage low | (See DTC B1318)
B1342 | Malfunction in water heater unit | (See DTC B1342, B2463, B2537, B2538, B2547)
B2449 | Glow plug circuit short to ground | (See DTC B2449, B2450)
B2450 | Glow plug circuit open | (See DTC B2449, B2450)
B2451 | Fuel pump circuit short to ground | (See DTC B2451, B2452)
B2452 | Fuel pump circuit open | (See DTC B2451, B2452)
B2453 | Blower fan circuit short to ground | (See DTC B2453, B2454)
B2454 | Blower fan circuit open | (See DTC B2453, B2454)
B2463 | Overheat | (See DTC B1342, B2463, B2537, B2538, B2547)
B2537 | Water heater system does not start | (See DTC B1342, B2463, B2537, B2538, B2547)
B2538 | Unstable flame | (See DTC B1342, B2463, B2537, B2538, B2547)
B2547 | Flame prior to operation | (See DTC B1342, B2463, B2537, B2538, B2547)
B2548 | Water heater lockout mode | (See DTC B2548)

  * :
If a DTC not listed above is detected, there is a water heater malfunction, and the water heater must be replaced.