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SECTION 6 - TROUBLESHOOTING
31215825
6-31
Code 32 - Pump Motor - Over Current
Check For These Obvious Conditions First:
• Platform overload condition.
• Obstruction in mast system.
• Pump Positive (+) and Negative (–) connections are secure and undamaged.
• Crushed or kinked hydraulic lines.
• Hydraulic leaks.
Code 33 - Both PHP Bars - UP
Code 34 - P2-Auxiliary #1 - Inhibit
Check For These Obvious Conditions First:
• Platform Gates Closed.
• Pressure on the Platform Foot-switch
(after power up)
.
4.
Check voltage across pins-10 and 2 on connector P4 at the Ground
Control Module.
24V DC
Go to Step 5
Replace Ground
Control Module
5.
Check continuity of P4 connector, pin-10 to Platform Junction Box
pin-1. Also P4 connector, pin-2 to Platform Junction Box, pin-5.
—
Repair or Replace Wires
Table 6-32. Code 32 - Pump Motor - Over Current
STEP
ACTION
SPEC
YES
NO
1.
Check current draw of pump motor by elevating the platform to full
height and load pump by continuing to press the UP button.
Is reading within spec?
Less than
145 Amps
Go to Step 2
Go to Step 3
2.
Did unit give a 32 Fault Code while performing Step 1?
—
Replace Ground
Control Module
—
3.
Is the pump hydraulic pressure setting within specification as show
in Section 1 of this Service Manual?
Go to Step 4
Adjust to
Specification
4.
Check pump motor brushes and rotor commutator for abnormal
wear.
—
Replace as
Required
Replace
Pump Motor
Table 6-33. Code 33 - Both PHP Bars - UP
STEP
ACTION
SPEC
YES
NO
5.
Perform steps in Code 2, Left PHP Bar UP then, Code 3, Right PHP Bar
UP. Do either of these steps correct the problem?
—
Done
Go to Step 2
6.
Perform steps in Table 6-5 - Machine In Drive Speed Cut-Back (Turtle)
Mode All The Time, of this section.
—
Done
Consult Factory
Table 6-31. Code 31 - Platform Control Console - No Communication with Ground Control Module
Go
to
Discount-Equipment.com
to
order
your
parts