FlowMax · Combi boiler
E16 Fan (blower) fault
What the control is telling you
The combustion fan is not working; the manual lists a burnt fan.
Applies to: FLOWMAX-90, FLOWMAX-120
Likely causes
- Fan motor burnt / failed
Test and repair steps
- Turn off power and check the fan wiring and connectors.
- Check whether the fan runs on a call for heat.
- Replace the fan if it is burnt or does not run.
- If a new fan still does not run, see E42 (fan control board).
Settings for these units
- Installation clearances · FlowMax condensing combi (FLOWMAX-90/120)
- Hot water scald risk by temperature · FlowMax condensing combi (FLOWMAX-90/120)
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Source: FlowMax FLOWMAX-120 Instruction Manual, 6.10 Troubleshooting table, p.66; FlowMax FLOWMAX-120 Instruction Manual, 6.11 Diagnostics error code list, p.67; FlowMax FLOWMAX-90 User Manual, Diagnostics - Error codes, p.8-9. Summarized in our own words; check the original manual for your model.
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For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.