Heat pumps · Error codes · Climer Technology S.L.L
UtLClimer Technology S.L.L · Climer ECOHEAT heat pump water heater (EH)
UtL on a Climer Technology S.L.L Climer ECOHEAT heat pump water heater: Evaporator failure alarm
Short answer
On a Climer Technology S.L.L heat pump, UtL means: Evaporator failure alarm. The manual does not say whether the heat pump stops. An engineer is needed to fix the cause.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: Evaporator failure alarm.
Part involved: see manual.
Likely causes:
- Switch the device off and on.
Is it safe?
| Does the heat pump stop? | Not stated |
|---|---|
| Engineer needed? | Yes |
The manual does not say whether the heat pump stops.
Resetting itself: unknown.
What you can check
- Note the code shown on the controller and the model number on the unit's rating label before contacting your installer.
- Check that the heat pump's isolator and consumer-unit breaker are on; do not open any casing.
- The manual's action is 'switch the device off and on'; if the alarm returns, leave it off and call an engineer.
- Check the air inlet/outlet ducts or grilles are not blocked.
What the engineer will check
- Follow the manufacturer's troubleshooting for this code.
Who to ask for: Heat pump engineer.
Certification: Heat pump installer competence; F-gas and flammable-refrigerant (R32/R290) handling competence for any refrigerant-circuit work.
What you might notice
Sources
- Installation and User Manual ECOHEAT EH160 EH200 EH260 (V1REV5EN0622) ↗ · V1REV5EN0622 · page printed p.19 (PDF p.22) · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026