Elitech E-1000

"Super-easy" controller with separate cool-on and heat-on temperatures, off-cycle defrost and a light relay, set from labelled keys.

What it is: Heat/cool controller with lighting

Key combo: Hold the lock key 5 s for the F1–F7 system menu.

Error codes ↓
Enter service mode ↓
Parameters ↓
Change a setting ↓

Elitech E-1000 error codes

Code	Meaning	Likely cause	How to reset
Err	Settings did not save	Memory write error while saving or resetting	Returns to normal after a few seconds. Power-cycle and try again.
rES / YES	Factory reset prompt / done	Lock key held 10 s while locked	Press the confirm key within 3 s to reset.

How to enter service / parameter mode

The keypad locks after 30 s idle. Press the lock key 1 s to unlock (short beep).
Cool-on or heat-on temperature: press its key, adjust with up/down; it saves when you press the lock key or after 30 s.
System menu: hold the lock key more than 5 s until F1 shows.

Parameter list

Code	What it does	Range	Default / typical
Heat on	Heating switches on at or below this	−40 °C to cool-on − both hysteresis values	−10.0 °C
Cool on	Cooling switches on above this	Heat-on + both hysteresis values to 85 °C	10.0 °C
F1	Defrost time	1 to 120 min	30
F2	Defrost interval	0 to 120 h	6
F3	Interval counts	0 controller on time, 1 compressor run time	1
F4	Cooling hysteresis	0.5 to 20 °C	2
F5	Heating hysteresis	0.5 to 20 °C	2
F6	Probe offset	−10 to 10 °C	0
F7	Compressor restart delay	0 to 20 min	3

How to change and save a setting

Step with up/down, press the lock key to show the value.
Adjust with up/down and press the lock key to store.
Hold the lock key 3 s, or wait 30 s, to save and exit.

Other useful key presses

Task	How
Lights on/off	Press the light key

Notes

Cooling stops at cool-on minus F4; heating stops at heat-on plus F5.
Defrost is off-cycle: the compressor simply stops for F1 minutes.
Cool-on, heat-on and the two hysteresis values limit each other so the bands cannot overlap.

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 E-1000 temperature controller instruction. 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.