Heat pumps · Error codes · Danfoss
sensor-coolingDanfoss · DHP-H
sensor-cooling on a Danfoss DHP-H: Sensor fault. Cooling function stops
Short answer
On a Danfoss heat pump, sensor-cooling means: Sensor fault. Cooling function stops. The heat pump keeps running with some functions stopped. An engineer is needed to fix the cause.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: Sensor fault. Cooling function stops.
Part involved: cooling sensor.
Likely causes:
- Sensor fault or cable fault.
Is it safe?
| Does the heat pump stop? | Partly |
|---|---|
| Severity | Fault — clears by itself when the condition goes |
| Engineer needed? | Yes |
The heat pump keeps running with some functions stopped.
Resetting itself: Yes, when the condition clears.
What you can check
- Note the exact alarm text. The manual allows acknowledging by setting the operating mode to OFF and then back to the previous mode - do this once; if the alarm returns, leave it and call an engineer.
What the engineer will check
- Measure sensor + cable resistance vs table.
Who to ask for: heat pump engineer.
What you might notice
Sources
- Service instructions DHP-A, DHP-A Opti, DHP-AL, DHP-AL Opti, DHP-C, DHP-H, DHP-H Opti, DHP-H Opti Pro, DHP-L, DHP-L Opti, DHP-L Opti Pro (VMGFC302) ↗ · VMGFC302 (© 2010; PDF regenerated 2024-07-10 on assets.danfoss.com) · page printed p.35, p.42; PDF pp.37, 44 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026