Here is the instruction show you guide on how to repair Deutz EMR3 engine control unit trouble code 17/729/ArHt1.
Preparations:
17 / 729 / ArHt1
Error description AIR HEATER RELAY
Air heater relay: the current drain measured by ECU is out of the target range
Error codes
DEUTZ-Errorcode: 17
BlinkCode (short-long-short): 2 – 6 – 3
SPN: 729
possible FMI:
3: Voltage to high or short circuit to +Ubatt
4: Voltage to low or short circuit to -Ubatt
5: current to low or broken wire
12. Errormode not identifiable
Errordetection
Errorlamp shows permanent light. Entry in errormemory.
Possible reason for error
Cable break or short circuit at EDC output, relay defective,
connection cable demaged
Take actions for error repair
Check cabling, if sensor not working, check relay and if necessary replace it, check connection cable and if necessary repair or replace it
other error properties
System reaction: Warning, shutoff output
Behaviour error lamp: permanent light
Selfhealing: yes
Signal Priority: 2
