This is from the troubleshooting guide in the manual
POWERLINE Energy Management SystemTM
Intellitec
10 P/N 5322100A100
131 EISENHOWER LANE NORTH
LOMBARD, ILLINOIS 60148
630-268-0010 / 1-800-251-2408
VII. Remote Display out or strange characters appear.
A. Check the 3 Amp Fuse (F1) on the EMS Control Module.
B. Check the 4 pin cable from the EMS Control Module to the Display Panel for
the following voltages:
Pin 1 (12V)= 12V
Pin 2 (Data)= GND
Pin 3 (GND)= GND
Pin 4 (SW)= GND, +12V when swithc on Display Panel is pressed.
C. Check the harness so that the plug at the EMS Control Module and the plug at the Display
Panel are plugged in with the proper polarity and the pins correspond.
Wiring 1 1 2 2 3 3 4 4
Both the EMS and Display have internal protection. Shorts or miswiring should not cause the units
to fail.
VIII. All Load Indicators do not light and the GEN SET service indicator on the Remote
Display does not light with the Generator Running.
A. Check for the presence of +12Vdc at J4 pin 8 on the Control Module.
IX. All Load Indicators do not light and the 50 AMP service indicator on the Remote Display
does not light with the vehicle plugged into 240Vac, 50 Amp shore power service.
A. Check for the presence of 240Vac between J5 pin 4 (L1) and J5 pin 6 (L2).
B. Check 120 volt circuit breaker in the distribution panel supplying J5 pin 4 (L1) on the Control
Module
Nathan and Linda
KF4GYL
2000 Winnebago Chieftain 35U Ford Triton V10 F53 Banks Power Pack