MachineDown

Cold Rooms & Walk-ins

AL01: Cold room probe deviation alarm

Copeland ZS-56K4E

Safe preliminary checks permitted

Documented meaning

Room probe and return air probe disagree beyond the allowed deviation.

Model variants covered: see the model record

Documented possible causes

  • · Probe positioning moved
  • · Probe calibration drift
  • · Door left open during a delivery

Safe preliminary checks

  • · Confirm the door has closed and sealed

Professional service required

  • · Confirm the door has closed and sealed
  • · Check the probes are still clipped in place
  • · Record both readings before the technician arrives
  • · safe_checks_permitted

Stop and call a professional if you see

  • · Burning smell, smoke, water on live parts or a tripped protective device
  • · Unusual noise, vibration or a refrigerant leak