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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 | |
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Insufficient hot water | Water temperature | Set the control thermostat (7.5 "Control thermostat") to a higher |
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| setting (Tset) is too low | value |
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| Hot water supply is | 1. | Reduce hot water consumption and give the appliance time to | If this error persists, check whether the |
| used up |
| heat up. | switching. |
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| 2. | If this error persists, check whether the |
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| switching. |
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| If this is the case, check that the circulation and/or top to bottom |
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| circulation pump are working. |
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Instruction manual BFM | 59 |
