307
Model Code Page
32. ACB power lift
1. 11. 1996
6250--8150
321 4A
Fault codes of ACB power lift
1. Serious fault
Fault code
number
Fault Control
unit con-
nector pin
Description
11 Output/lifting 2 Output signal to lifting solenoid faulty or poor contacts in solenoid wire
to pin 6.
12 Output lowering 14 Output signal to lowering solenoid faulty or poor contacts in solenoid
wire to pin 6.
13 Short circuit 6 Measured current in pin 6 too high. Short circuit between pins 2 and 6
or between pins 14 and 6 (solenoid in short circuit)
14 Push button in
mudguard, up-
wards
10 Signal from push buttons not OK. Push button or its wire damaged.
15 Push button in
mudguard, down-
wards
20 Signal from push buttons not OK. Push button or its wire damaged.
16 Supply 12 Control unit supply not in order.
Supply of 9,5 V and earthing not in order
2. Medium serious fault
Fault code
number
Fault Control
unit con-
nector pin
Description
22 Position sensor 19 Signal from sensor faulty
--- Poor contact or position sensor disconnected
--- Possible short circuit or earthing
--- Position sensor faulty adjusted
23 Position control
potentiometer
16 Signal from potentiometer faulty. Poor contacts or wire loose.
24 Transport height
selector
22 Signal from selector faulty. Poor contacts or wire loose.
28 Up/stop/down
switch
8 Signal from switch faulty. Poor contacts or wire loose.
3. Minor faults
Fault code
numbers
Fault Control
unit con-
nector pin
Description
31 RH side draft sen-
sor
18 Signal from sensor faulty:
--- Poor contact or wire disconnected
--- Possible short circuit or earthing
--- S e n s o r o v e r l o a d e d
32 LH side draft sen-
sor
17 Signal from sensor faulty:
--- Poor contact or wire disconnected
--- Possible short circuit or earthing
--- S e n s o r o v e r l o a d e d
34 Lowering speed
selector
24 Signal from selector faulty. Poor contacts or wire disconnected.
36 Position control/
draft control selec-
tor
4 Signal from selector faulty. Poor contacts or wire disconnected.
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