PROBLEM 12
Front or rear load drum will not lower load, but will raise load.
POSSIBLE CAUSES
Pawl in; Control handle is worn; Minimum bail limit opened;
Pump is worn; Speed sender is bad.
CHECKS
Check Diagnostic Screen D2. (See Diagnostic Display topic in this section of manual.) When
applicable switch was enabled…
Bank 1 changed by 4 (front), 8 (left rear), or 128 (right rear). . . . . . . . . . . Minimum bail limit
Bank number increased
by number shown.
Bank number not increased
by number shown.
Diagnostic DRUM 1, 2 or 3 screen (bank 1) approaches
-100% handle control with handle moved forward.
Check for problem.
Repair limit switch,
wiring, or fuse.
Repair or replace control handle.
Diagnostic DRUM 1, 2 or 3 screen (bank 2) approaches -
100% pump control with handle moved forward.
Consult dealer/factory.
Use test plug adapter. (See Test
15.) Are 12
volts present at brake solenoid valve when
control handle is moved?
(See Tes t
5.) Repair or replace wiring or consult dealer/factory.
Yes No
Yes
No
Yes No
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