488 4001055250 E 10.21 USA / GB
HT23RTJ O - HT23RTJ O SW - HT67RTJ O - HT23RTJ PRO - HT23RTJ PRO SW - HT67RTJ PRO
E
- Trouble shooting and diagram
1.4 - LIST OF FAILURES PER CATEGORY
Failures N Dec Bit Description
Contactors
F02.02
Emergency Pump
KM120
D
• Digital output's failure : Emergency pump relay --> KM120
• Check relay
• Check connection to ground
• Check connection to U106 ECU
F02.04
Power Contactor
KMP
D
• Incoherence between the emergency stop status and the presence of voltage on
power line --> EMSTOP=0 & (12VD1>8.00V | 12VD2>8.00V | 12VD3>8.00V |
12VD4>8.00V | 12VD5>8.00V | 12VF1>8.00V | 12VF2>8.00V | 12VF3>8.00V |
12VF4>8.00V)
• Check emergency stops
• Check relay KMP
• Check fuses
• Check wiring
F02.05
Heating Relay
KM160
D
• Digital output's failure : Preheating relay and engine is not Tier IV --> KM160=FAIL &
CFG[Engine]=TierIII
• Check relay
• Check connection to ground
• Check connection to U106 ECU
Failures N Dec Bit Description
Relays
F03.06
Horn Relay
KA9
D
• Digital output's failure : Horn relay --> KA9=FAIL
• Check relay
• Check connection to ground
• Check connection to U106 ECU
F03.08
Start Relay
KA4
D
• Digital output's failure : Starter relay --> KA4=FAIL
• Check relay
• Check connection to ground
• Check connection to U106 ECU
F03.09
Supply/Key Switch
Rel
KA3
D
• Digital output's failure : Engine supply relay --> KA3=FAIL
• Check relay
• Check connection to ground
• Check connection to U106 ECU
F03.11
Generator Relay
KA2
D
• Digital output's failure : Generator relay failure while generator on (And failure is not
low current) --> KA2=FAIL& SETP[Generator]=ON
• Check relay
• Check connection to ground
• Check connection to U106 ECU
F03.13
Gasoline/LPG
selector Relay
KA140
D
• Digital output's failure : Gasoline/LPG selector relay--> KA140=FAIL&
CFG[Engine]= TierIII Dual Fuel
• Check relay
• Check connection to ground
• Check connection to U106 ECU
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