Safety time
â–¶ How to fix
Check the fuel supply. Check that the exhaust pipe for the combustion air fan is not blocked. Check the flame monitor.Check the glow plug. See Internal wiring diagram under Connections. Measurement points 1 and 2 in connector B for the control unit. Resistance:2 +/- 0.2 ohm.Instructions for the checking procedures are found in the work description in Multi under 18-90 "H13, ATA Auxiliary heater - Air".
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The safety time for starting attempts has been exceeded.
Possible cause
The flame monitor does not detect any flame when attempting to start.