Mitsubishi FB13PNT, Quick Start Manual

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2-67 2-67
501150 501150
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.2 3.28 8 Out Output put Uni Unit t Sol Soleno enoid id Cur Curren rent L t Leak eak (56 (56))
Error code: 56 Error code: 56
Sit Situat uation ion Dis Displa play: "5 y: "56". 6". All t All truc ruck ope k operat ration ions inh s inhibi ibited ted. Li . Line c ne cont ontact actor O or OPEN PEN and p and pum ump con p contac tactor tor OPE OPEN. N.
Possible Possible
cause
cause
Faulty lift solenoid, faulty tilt solenoid, faulty attachment 1 and 2 solenoids, faulty main harness, faulty output Faulty lift solenoid, faulty tilt solenoid, faulty attachment 1 and 2 solenoids, faulty main harness, faulty output
unit.
unit.
Trigger of Trigger of
the error the error
code
code
When signal is not outputted, current is more than 0.18 A. When signal is not outputted, current is more than 0.18 A.
Checks Checks
(5) Repair or replace harness (5) Repair or replace harness
(7) Replace related solenoid (7) Replace related solenoid
(2) Dis (2) Dis conn conn ect connec ect connec tor tor E-1 E-1 1 1 of output of output unit unit
Disc Disc onnec onnec t t conne conne ctors ctors E-28 E-28 to to E-3 E-3 5 5 of s of s olenoids olenoids
(1) (1) Disconnect battery plug, Disconnect battery plug, then perform inverter then perform inverter discharging w discharging w ork ork
(3) Check short circuit between all pin patterns[E-11-21(1) to E-11-32(12)] (3) Check short circuit between all pin patterns[E-11-21(1) to E-11-32(12)]
N N o o t t s s h h o o r r t t e e d d S S h h o o r r t t e e d d
(6) Replace output unit (6) Replace output unit
(4) Measure solenoid coil resistance (4) Measure solenoid coil resistance
[13 Ω at -30 °C(-22 °F) to 24 Ω at 80 °C(176 °F)] [13 Ω at -30 °C(-22 °F) to 24 Ω at 80 °C(176 °F)]
Normal Abnormal Normal Abnormal