Rheem Heat Pump: Force a defrost test (PRL-JEC)
Force a defrost test (PRL-JEC) on a Rheem heat pump: With the unit running in heat-pump mode, SW2 forces a defrost that runs until the termination temperature is reached or 14 minutes pass.
Applies to: Rheem/Ruud PRL-JEC heat pumps with Comfort Control2 ICC
How to fix force a defrost test (prl-jec): step by step
- Set the thermostat to heat and make a heat call
- Press SW2 for one second with the unit running in heat-pump mode
- Watch the unit enter defrost; press SW2 again to stop the test early
If the unit shows an error code, look it up: Rheem Heat Pump codes
Models
RPRL-024JECRPRL-036JECRPRL-048JECRPRL-060JEC
Source: Rheem PRL-JEC Installation Instructions, 8.4-8.5 Defrost Test Mode. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.