Stuart Turner Monsoon Professional fault E04
Supply voltage too low
Shower pumpWhat it means
Incoming electrical supply voltage to the pump is below acceptable operating threshold.
Likely causes
- Low mains supply voltage
- Electrical supply fault
- Pump seized
- Motor faulty
- Control panel damaged
Where to start
- Turn pump off/on and observe if error clears
- Check power supply voltage
- Check power supply cable
The full answer, free
- 3 more checks in order
- How to put it right, step by step
- The manual page for this fault (page 22), right under the answer
Safety: Isolate power and water, and prove dead before you open or test the pump.
From the Stuart Turner manual for the Monsoon Professional. Check the model on the data plate before you order parts.