KeepRite · Heat pump

Amber 6 flashes Brown-out protection active (user setting)

Normal status KeepRite *CA/*CH Two-Stage Communicating

What the display is showing

Six flashes, then a pause. Shows the 230 V brown-out protection is switched on, which is the factory state. It also appears while the brown-out defeat is being toggled.

Applies to: *CA/*CH two-stage communicating outdoor boards

Models that show this code

8 models in KeepRite *CA/*CH Two-Stage Communicating

*CH624*CH636*CH648*CH660*CH924*CH936*CH948*CH960

Other codes on the same units

Amber 1 flash Running - cooling / low stage (normal)
Amber 2 flashes High stage running (normal)
Amber 3 flashes Outdoor fan delay after defrost is on (20 s)
Amber 4 flashes Outdoor fan delay after defrost is defeated
Amber 5 flashes Brown-out protection turned off (user setting)
Amber LED on solid Standby - no call (communicating)
Brown-out defeat toggle Turn 230 V brown-out protection off or on
Fan delay defeat toggle Switch the post-defrost outdoor fan delay off or on

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Source: KeepRite ICP split A-C + HP (R-410A & R-22) Application Guideline and Service Manual 421 08 5400 04, Table 17 p.59-60 and Brown-Out Protection Defeated, p.57. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.