English
5.906-736.0 Rev. 00 (07/15)
179
The malfunction is shown on the display as follows.
1 Malfunction no.
2 Indication, for how many hours the malfunction has oc-
curred
NOTE
Further information about the test of the sensor technology
can be found in Chapter 9.2.1.
13
Troubleshooting
13.1 Faults with display
Display
Possible cause
ERROR 1
Charging current
Relay K9 defective
Relay K5 defective
Motor oil pressure switch defective
Electronics defective (board A1)
ERROR 3
Coolant or temperature water in
the float container
Temperature water in the float container > 50?. Input temperature water too high
or the motor runs without water removal for approx. 25-30 minutes.
Heat exchanger clogged.
Temperature sensor in the float container defective.
Temperature coolant too high (>100?).
Coolant level too low.
V-belt tension at the motor fan insufficient.
Motor fan defective.
ERROR 4
Water shortage
Water filter soiled.
Water supply volume or pressure too low.
Water tanks (2x250 l) empty or stop cock water tanks closed.
Float valve soiled / jammed / defective.
Sensor filling level monitoring in the float container defective
ERROR 5
Flow switch/pressure switch
Normal mode: Flow and pressure switch do not run synchronously.
Frost protection mode: Flow and pressure switch run synchronously.
Air in the system.
Fine filter before the pump is soiled.
No flow present.
No pressure present.
Reed switch flow monitor defective or soiled.
Pressure switch is defective.
Overflow device defective.
Check valve on the high-pressure outlet defective.
ERROR 6
Fuel sensor
Diesel tank empty (bargraph = 0 bars)
Level sensor not plugged in / no contact / short circuit
Float of the level sensor jammed.
Level sensor defective.
ERROR 7
Motor oil pressure
Oil level in the motor low.
Motor oil has the wrong viscosity grade.
Oil pressure switch or relay K5 defective
Relay K9 defective
Summary of Contents for HDS 9/50 De Tr1
Page 46: ...46 English 5 906 736 0 Rev 00 07 15 1 Reflector on both sides 2 Marker light on both sides...
Page 182: ...182 English 5 906 736 0 Rev 00 07 15 13 3 Troubleshooting Yanmar diesel engine...
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Page 185: ...English 5 906 736 0 Rev 00 07 15 185 14 3 Maintenance plan Yanmar diesel engine...
Page 189: ...English 5 906 736 0 Rev 00 07 15 189 HDS 13 20 and 17 20 safety block...
Page 190: ...190 English 5 906 736 0 Rev 00 07 15 HDS 9 50 and 13 35 pump head...
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