JLG 1230ES Service Manual - Manual (Page 86)

SECTION 5 - CONTROL COMPONENTS
5-10 – JLG Lift – 3121222
10. CANBUS FAILURE: POWER MODULE (6-6)
a. The control system failed to receive messages
from the Power Module. Check wiring at the
Ground Control Box and Power Module. Recy-
cle power to clear difficulty.
b. May indicate harness difficulty or a faulty Power
Module.
c. Resistance between CANH (Power Module Pin
10) and CANL (Power Module Pin 11) should be
60 ohms (+/- 5%) with the Power Module con-
nected.
d. Resistance between Power Module Pins 10 and
11 (harness disconnected) should be 120 ohms
(+/- 5%).
e. 10 Flashes on Power Module.
f. Drive, Steer, & Lift Up Prevented.
11. OPEN-CIRCUIT DRIVE MOTOR WIRING (7-7)
a. The Power Module detected an error in the
Power Wiring (M1, M2, F1 & F2 Terminals) for
the Drive Motors. Check power wiring and re-
cycle power to clear difficulty. Alternately, there
may be an issue (open field, armature, or brush)
with one of the Drive Motors.
b. May indicate field wiring or winding issues.
c. 5 Flashes on Power Module.
d. Drive & Steer Prevented.
12. POWER MODULE FAILURE: PERSONALITY
RANGE ERROR (9-9)
a. The Power Module detected an out-of-range or
corrupt personality setting.
b. Enter Access Level 1 on the JLG Analyzer, re-
select Model, and cycle EMS after 5 seconds.
May indicate a Power Module issue if it cannot
be reset.
c. 1 Flash on Power Module.
13. POWER MODULE FAILURE: INTERNAL ERROR
(9-9)
a. The Power Module detected an internal error via
self-test.
b. May indicate that the Line Contactor Coil is
Open-Circuit in Power Module's prior to V1.10, a
Power Wiring Issue, or a faulty Power Module.
c. 11 Flashes on Power Module.
14. POWER MODULE FAILURE: CHECK POWER
CIRCUITS OR MOSFET SHORT CIRCUIT (9-9)
a. The Power Module detected an error in the
Power Wiring for the Drive or Pump. Alternately,
the Power Module has failed a self-test.
b. 3 Flashes on Power Module may indicate a
Short-Circuit in the Armature Wiring or a faulty
Power Module.
c. No Flashes on Power Module may indicate a
faulty Power Module.