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Errors


Boiler type Bimini BWC151

Error code E12

Cause:

 

Low water cut-off circuit open. Float Switch Open (BWC151 Only) 

Solution:

 

• If yellow light on LWCO is on, system is low on water.
• If neither yellow nor green light is on, check LWCO harness and check for 24VAC
  across AT140 transformer.
• Check condensate trap for blockage (BWC151 only)