HVACopediaKeepRite · Air conditioner
Amber 1 flash Running - cooling / low stage (normal)
What the display is showing
One flash, then a pause, repeated. The outdoor board is running a call and nothing is wrong. Table 13 lists it as cooling operation on single-stage boards; on the two-stage boards it means low-stage cooling or heating.
Applies to: C4A3/CXA6 A-C; *SA/*SH and *CA/*CH communicating outdoor boards
Settings for these units
Outdoor unit clearances · KeepRite C4A3/CXA6 AC
| Location | Minimum |
|---|---|
| Service end | 24 in. (610 mm) |
| Above unit | 48 in. (1219 mm) |
| One side | 6 in. (152 mm) |
| Other sides | 12 in. (305 mm) |
| Between units | 24 in. (610 mm); 18 in. (457 mm) with no overhang within 12 ft |
| Roof mount height above roof | 6 in. (152 mm) |
| Shrubs/fences from coil | 18 in. (457 mm) |
Keep roof run-off and snow from falling on the unit.
Unit must be level within 2 degrees.
Models that show this code
12 models in KeepRite C4A3/CXA6 AC, KeepRite *SA/*SH Single-Stage Communicating, KeepRite *CA/*CH Two-Stage Communicating
Other codes on the same units
- 81 Low stage thermal lockout
- 82 Thermal lockout (two-stage: high stage)
- 83 Low pressure lockout
- 84 High pressure lockout
- Amber 2 flashes High stage running (normal)
- Amber 5 flashes Brown-out protection turned off (user setting)
- Amber 6 flashes Brown-out protection active (user setting)
- Amber LED off Standby - no call (2-wire hookup or indoor unit unpowered)
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Source: KeepRite ICP C4A3/H4A3/T4A3/CXA6 A-C Installation Instructions 421 01 5103 05, Table 1 Status Codes, p.17-18; split service manual Table 13 p.46-47 and Table 17 p.59-60. 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.