Worcester Greenstore Instruction Manual page 60

Motor cut-out compressor (MB1)
Possible cause 1: Intermittent fault or overload on the power
supply.
Possible cause 2: Current level (A) on the motor cut-out is set
too low.
Possible cause 3: Contactor or cut-out faulty, or loose electrical
connections to the compressor.
Possible cause 4: Compressor error.
Motor cut-out HTF pump (MB2)
Possible cause 1: The HTF pump is blocked due to
contamination.
Possible cause 2: Faulty electric motor on HTF pump.
Possible cause 3: Temporary error.
Alarm (MB1)
Compr. circ. switch
040622 16:08:15
Info Ackn.
Note
Alarm (MB2)
HTF c-pump switch
040622 16:08:15
Info Ackn.
Note