Triton T90ER fault 7
Pressure relief device has operated (water ejected from the PRD)
Electric showerWhat it means
The pressure relief device (PRD) has activated, ejecting water, indicating excessive pressure within the unit.
Likely causes
- Twisted/blocked flexible shower hose causing PRD operation
- Blocked flexible shower hose
- Shower head not removed while commissioning causing PRD operation
- Blocked shower head causing PRD operation
Where to start
- Check for free passage through the hose
- Confirm whether shower head was removed during the commissioning procedure
- Inspect shower head for blockage
The full answer, free
- 2 more checks in order
- How to put it right, step by step
- The manual page for this fault (page 24), right under the answer
Safety: Isolate at the double pole isolator and the consumer unit, and prove dead before the cover comes off. Electrical work to BS 7671 (UK) or I.S. 10101 (Ireland).
From the Triton manual for the T90ER. Check the model on the data plate before you order parts.