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Störungen / Fehler


Kessel Typ Greenstar ZWB28-3A

Störungscode d3

Ursach:

Temperature high limit defective.
External guard has tripped.
Temperature limiter locked out.

LÖsung:

Check temperature sensor and leads for interruptions or shorts, and replace if defective.
Temperature guard TB1 has tripped. Check if jumper across8-9 or PR-P0 is missing.
Reset external temperature limiter (if installed).
Reset LWCO (if installed).