Heat pumps · Error codes · Gree
PEGree
PE on a Gree heat pump: Temperature drift protection
Short answer
On a Gree heat pump, PE means: Temperature drift protection. The manual does not say whether the heat pump stops. An engineer is needed to fix the cause.
Reviewed 23 September 2026 · 3 sources
What it means
The manual says: Temperature drift protection.
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 unit model numbers (on the rating plate label) before contacting your installer.
- Check the heat pump's breaker/isolator at the consumer unit is on; do not open any casing.
What the engineer will check
- Follow the Gree troubleshooting flowchart for this code in the service manual.
- Follow the manufacturer's troubleshooting flowchart for this code.
Who to ask for: Heat pump engineer.
Certification: Heat pump installer competence; F-gas / flammable-refrigerant (R290/R32) handling competence for any refrigerant-circuit work.
What you might notice
Sources
- VERSATI III Air To Water Heat Pump (Monobloc) Service Manual ↗ · page p.122 (printed; PDF p.122) · Reviewed 23 September 2026
- Service Manual for VERSATI R32 SPLIT (VERSATI III Split Type Air To Water Heat Pump) ↗ · page p.109 (printed; PDF p.113) · Reviewed 23 September 2026
- VERSATI IV Split Type Air To Water Heat Pump Service Manual ↗ · page p.67 (printed; PDF p.77) · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026