KeepRite Air Conditioner: Turn 230 V brown-out protection off or on
Turn 230 V brown-out protection off or on on a KeepRite air conditioner: Shorting the forced-defrost pins at power-up with the outdoor sensors unplugged flips the brown-out protection setting; it is remembered through power cycles.
Applies to: *CA/*CH two-stage communicating outdoor boards
How to fix turn 230 v brown-out protection off or on: step by step
- Power the unit down
- Unplug the OAT and OCT sensor connector and short the two FORCED DEFROST pins
- Power up and keep the short on for at least 3 seconds
- Amber flashes 6 = protection active, 5 = protection off; repeat once if you land on the wrong state
- Power down, plug the sensors back in and remove the short
If the unit shows an error code, look it up: KeepRite Air Conditioner codes
Models
*CA624*CA636*CA648*CA660*CA924*CA936*CA948*CA960
Source: KeepRite ICP split A-C + HP (R-410A & R-22) Application Guideline and Service Manual 421 08 5400 04, Brown-Out Protection Defeated, p.57. 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.