Dometic NDA1402 manual Service Mode, Number, Instruction

SERVICE MODE

Service mode is intended as a tool for service personnel only in order to perform diagnostic troubleshooting.

1.Before entering service mode, switch off the refrigerator with the ON/OFF key.

2.To enter service mode, press and hold SET key, then press ON/OFF key.

3.Press SET key to toggle the list of functions step by step.

Number	Instruction	Note
00	—					—
01	LED panel check	All LED segments ON
02	Battery voltage check	”12” →	in range between 8,5 - 18 V DC.
		“Lo” or “hl” →		out of range
03	Air temperature	Value in °F →		in range, “hl” or “Lo”→			out of range, “--” →	sensor fault
	sensors, freezer + fridge
04	Surface temperature	Value in °F →		in range, “hl” or “Lo”→			out of range, “--” →	sensor fault
	sensors, freezer + fridge
05	Door switches status	”OP” →	open, “CL”→ closed
06	Turn AC heater ON	”ON” →	turned on, “no AC”→			problem
07	Turn fridge heater ON	”ON” →	turned on, “--” →		problem
08	Turn freezer heater ON	”ON” →	turned on, “--” →		problem
09	Turn drain heater ON	”ON” →	turned on, “--” →		problem
10	Turn door heater ON	”ON” →	turned on
11	Turn fridge fan ON	”ON” →	turned on, “--” →		problem
12	Turn freezer fan ON	”ON” →	turned on, “--” →		problem or “bL”→ blocked
13	Turn gas ignition system ON	”FL” →	turned on flame, “l9” →			sparking, “--” → problem

20