check wiring pump and pump include , so if it is ok check component lift. It is possible you have canbus problems.
55 Motor short circuit;
Current not ok;
Power stage faulty
L, F-AC, H-AC SHORT CIRCUIT
MOTOR
Check wire connection;
Replace motor;
Replace component
Traction motor stops,
Hydraulic motor stops
Warning symbol
flashing (Else-Check).
L C = 048 Steer (MP1502L / PM2402L / AS4803L)
C = 048 Steer 1 (AS4803L)
C = 049 Steer 2 (AS4803L)
C = 050 Steer 3 (AS4803L)
C = 4 Steer computer [CANopen]
F-AC C = 016 Travel (AS4812/14F)
C = 8 ACS Traction (Atlas Copco AC 8011/18, Inmotion) [CANopen]
H-AC C = 032 Lift (AS4814H)
C = 7 ACS Pump (Atlas Copco AC 8011/18, Inmotion) [CANopen]
sorry i have 2 error. One is 90, and i try now this for lifting is "ALARM 55" LIFT?
my mail is marko at okorak dot hr
handbrake swicht is working ok I can make handbrake on handbrake off
what else can check
Check handbrake swicht. need your mail address.
Regards