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Instruction manual BFM 59
11.3 Troubleshooting: insufficient hot water
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
Insufficient hot water
Symptom Cause Solution Remark
Insufficient hot water Water temperature
setting (T
set
) is too low
Set the control thermostat (7.5 "Control thermostat") to a higher
value
Hot water supply is
used up
1. Reduce hot water consumption and give the appliance time to
heat up.
2. If this error persists, check whether the high-limit thermostat is
switching.
If this is the case, check that the circulation and/or top to bottom
circulation pump are working.
If this error persists, check whether the high-limit thermostat is
switching.