Triton T90ER fault 4

Water too cool or cold

Electric shower

What it means

Shower output water temperature too cool or cold, caused by too much flow, reduced ambient water temperature, or electrical malfunction/safety cut-out.

Likely causes

  1. Reduction in the ambient water temperature
  2. Electrical malfunction or safety cut-out has operated
  3. Safety cut-out has operated
  4. Too much flow

Where to start

  1. Have the shower unit checked by a competent electrician
  2. Check flow rate setting
  3. Check power setting

The full answer, free

  • 1 more check in order
  • How to put it right, step by step
  • The manual page for this fault (page 23), 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.

Other Triton T90ER fault codes