Dometic CRX / NRX 12 V compressor series fault codes
The 6 fault codes below are the ones that apply to this Dometic refrigerator family. The other 15 Dometic refrigerator codes in our database belong to different model families — they are listed further down so you do not troubleshoot against the wrong table.
Covered model numbers
CRX50CRX65CRX80CRX110CRX140NRX0035NRX0050NRX0060NRX0080NRX0115NRX0130NRX1035NRX1050NRX1060NRX1080NRX1115NRX1130
Not on the list? Check the rating label before you troubleshoot — the code table below will not apply. Where to find it →
Fault codes on the Dometic CRX / NRX 12 V compressor series
Battery-protection cut-out. The supply voltage measured at the fridge's own electronics ha… 2 red LED flashes warning
Two flashes covers two different faults, and Dometic's own table lists both: excessive fan… 3 red LED flashes warning
The compressor motor will not start. Dometic gives two causes: the rotor is jammed, or the… 4 red LED flashes warning
Compressor speed too low. The motor did start, but could not hold its minimum running spee… 5 red LED flashes warning
Overheating of the electronics unit. The compressor's control electronics have exceeded th… Constant red LED warning
Temperature sensor error. The fridge's temperature sensor is reading as defective (open or…
Codes that do not apply to this model
These 15 codes exist on other Dometic refrigerators. If your unit is showing one of them, it is not from this family — re-check the model number on the label before acting on any of these.
AC (230 V mains) power problem: the fridge is set to run on AC but either no AC is connect… 06 / W06
DC (12 V) power problem: the fridge expects a 12 V supply but none is connected (or it is … 10 / W11 (door open)
Door-open warning: the refrigerator door has been left open (typically longer than ~2 minu… 50 / 51 / 52 (gas lock)
Gas (LP/propane) operation fault. On RUA models, codes 50/51/52 indicate the fridge has 'g… CALL / Check
On 'Er'-code Dometic absorption fridges, a component failure makes the panel flash 'CALL' … E03
The display/control panel has lost communication with the power module (electronics board)… E07
The fridge is not producing cooling while running on gas (LP). The cooling unit is not gen… E08
The fridge is not producing cooling while running on AC (230 V/120 V mains) power; the AC … E09
The fridge is not producing cooling while running on DC (12 V) power; DC mode is active bu… E12
The control electronics ran a self-test on the gas valve and the test failed, so gas opera… E50
Gas ignition lockout: the burner failed to light after three automatic ignition attempts, … Er 11
The control board has detected an open circuit in the freezer-plate defrost heater. In oth… Er 14
The control board has detected an open circuit to the fan in the freezer compartment — it … W01
The temperature sensor inside the fridge compartment is faulty (open, shorted, or reading … W10
Either the DC supply voltage is too high (over about 16 V), or the unit has entered 'tank …
Where the model number is
On the rating label inside the fresh-food compartment — usually the upper right side wall or the ceiling of the cabinet. On absorption fridges it is repeated on the burner-access panel behind the lower exterior vent.
Sources
- Dometic CRX 50/65/80/110/140 Installation and Operating Manual — Dometic (Troubleshooting, error indicator LED table — 'Constantly / Temperature sensor errors')
- Dometic NRX 35-130 Operating Manual (AMER) — Dometic (Troubleshooting, flashing frequency table — 'Constantly / Temperature sensor errors')
- Electronic Unit for BD35F/BD50F/BD35K/BD80CN Compressors — Instructions (DES.I.101.X2.02) — Secop (Operational error table (LED flashes 1-6), battery protection defaults, wire dimension table (Fig. 2), fuse ratings)
- Operating Instructions — Controllers for BD Compressors (DES.S.100.F2.02) — Secop (§6 Battery protection: programming resistor R2 table, cut-out delay, restart delay)
- Dometic NRX 50-130 Operating Manual (EU) — Dometic (Troubleshooting, flashing frequency / error table)
- Instructions — Electronic Unit for BD35F/BD50F Compressors (101N0210–101N0320, 12/24 V) — Secop / Danfoss (Error code table: 4 flashes = minimum motor speed error, motor cannot maintain 1,850 rpm; wire dimension table for DC supply)
- Operating Instructions — Electronic Unit for BD Compressors (DES.S.100.F2.02) — Secop (§13 electronic unit protection: cut-out at 110 °C, automatic restart below 100 °C, 60 s restart delay)
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