Elitech EK-3030

Six-key controller for cold rooms and display cases, with refrigeration, heating and constant-temperature modes and electric, hot-gas or air defrost.

What it is: Refrigeration temperature controller. Two probes (cabinet Pb1, defrost Pb2) and three 10 A relays (compressor, defrost, fan). See the separate EK-3030E page for that model.

Key combo: Hold OK 1 s to unlock. Hold OK over 5 s for the F menu; hold the defrost key over 5 s for the hidden H menu (needs the access code).

Elitech EK-3030 error codes

CodeMeaningLikely causeWhat to do
E1Cabinet probe faultProbe open or shortedCompressor runs on a fixed cycle (H1 off / H2 on) until fixed.
E2Defrost probe faultProbe open or shortedShown in turn with the cabinet temperature; defrost runs on time only.
E1 + E2Both probes failedShown alternately.
HAHigh temperature alarmCabinet above the limit for longer than F12Clears when back in range.
LALow temperature alarmCabinet below the limit for longer than F12Clears when back in range.
ErrSettings could not be savedMemory write errorRe-enter the setting.

How to enter service / parameter mode

  1. Press OK for 1 s to unlock the keypad (it relocks after 30 s idle).
  2. Set points: press On Temp or Off Temp, adjust with ▲/▼, press OK to save.
  3. F menu: hold OK over 5 s until F1 shows. ▲/▼ to pick, OK to view and save.
  4. Hidden H menu: from the F menu hold the defrost key over 5 s, then enter the access code from the manual.
  5. Hold OK 5 s or wait 30 s to save and leave.

Parameter list

CodeWhat it doesRangeDefault / typical
On TempCompressor cut-in temperatureOff Temp to 85.0 °C10.0 °C
Off TempCompressor cut-out temperature-40.0 °C to On Temp-10.0 °C
F1Defrost duration1–120 min30 min
F2Defrost interval0–120 h6 h
F3Defrost interval counts controller time (0) or compressor time (1)0 / 11
F4Drip time after defrost0–120 min3 min
F5Defrost type: electric / hot gas / air0 / 1 / 20
F6Defrost end temperature-40.0 to 50.0 °C10 °C
F7Fan mode when H10 = 0 (lead/lag seconds, c = always on, d = off in defrost)-180 to 300, c, d0
F8Fan delay after drip0–300 s30 s
F9Compressor restart delay0–10 min0
F10Alarm block after power-up0–24.0 h2.0 h
F11Alarm band0–50.0 °C5.0 °C
F12Alarm delay0–120 min10 min
F13Cabinet probe offset-10.0 to 10.0 °C0.0
H1 / H2Compressor off / on time with a failed cabinet probe1–60 / 0–60 min30 / 15 min
H3 / H4Absolute high / low alarm (when H5 = 0)to 85.0 °C / from -40.0 °C20.0 / -20.0 °C
H5Alarm type: absolute (0) or relative to set points (1)0 / 11
H6Buzzer on alarm0 / 11
H7Display during defrost: temperature / dEF / start temperature0 / 1 / 20
H8Defrost probe fitted0 / 11
H9Defrost probe offset-10.0 to 10.0 °C0.0
H10Fan control: compressor time / defrost probe / temperature difference0 / 1 / 20

Notes

For licensed technicians only. This equipment can involve mains voltage, high-voltage microwave circuits, gas and refrigerant. Isolate power (and gas) before opening panels, follow the manufacturer's manual and your local licensing rules (for example ARC refrigerant handling and electrical or gas licences). Wrong settings can spoil food or damage equipment. Check every value on the unit in front of you before changing it.

Based on: Elitech EK-3030 user manual (scanned, read by eye). Always check the manual for your exact model and software version.

ServiceModes is not affiliated with Elitech or any other manufacturer. Written in our own words from the manufacturer's documentation.

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