Factory Cat GTR, Operating Instructions Manual, Page: 41 / 50

P&G CONTROLLER COMMON ERROR CODES
PG Drives Trio+ Common Diagnostic Codes
Diagnostic Code Cause Correction
1501 Parking brake is released or the parking brake coil
circuit is open
Check to assure the parking brake is not manually
released.
1507 Parking Brake Over Current Parking brake coil is internally shorted or there is a
problem with the wiring to the brake.
2C00-2C02 Battery voltage is low Charge the batteries with OEM supplied charger.
2F01 Throttle is depressed during power on or a fault with
the throttle system
Turn the machine off, assure that the throttle
button(s) or throttle pedal are not depressed. Turn
the machine back on and if the condition persists,
seek technical support from your local authorized
RPS distributor.
3101 Brush / Vac Motor - Precharge Fault This code can be caused by the scrub or vacuum
motor(s) having moisture present or contaminated
with debris.
3102 Traction Motor - Precharge Fault This code can be caused by the traction motor
having moisture present or being contaminated.
7600 Brush Motor Circuit Open The controller is not seeing continuity on the brush
motor circuit. This can be caused by the wiring to
the scrub brush motor(s), corroded connections or a
faulty motor.
7601-7603 Brush Motor Circuit Over Current The brush motor output is exceeding its limit. With
the scrubber turned off, check for entrapped debris
around the brush driver(s) and assure the brushes
turn freely.
7700 Vacuum Motor Circuit Open The controller is not seeing continuity on the
vacuum motor circuit. This can be caused by the
wiring to the scrub brush motor(s), corroded
connections or a faulty motor.
7701-7703 Vacuum Motor Circuit Over Current The vacuum motor output is exceeding its limit. This
can be caused by a faulty vacuum motor(s) or
damaged vacuum motor wiring.
1E03 Charger / Seat Switch – Charger is plugged in or
operator is not on the seat of ride on equipment.
On board charger is plugged into the wall outlet. Off
board charger is plugged into charging port. The
switch at the charger plug for an external charger is
out of adjustment. (Operator is not present on seat
GTR and EX machines Prior to Serial Number 100xxx)
7500 LCD Communication Error The LCD lost communication to the controller. Check
the 6 wire harness between the LCD module and it's
connections.
7801-7802 Traction Motor Over Current The traction motor output is exceeding its limit.
Check to assure the parking brake is releasing when
the throttle is engaged. Assure all wheels that
contact the floor turn freely.
7804 Boost Mode The code 7804 indicate the controller is in Boost
Mode and considered normal under hard
acceleration or when climbing a hill.
7900 Emergency Stop Activated The emergency stop is activated. If the machine is
not equipped with an emergency stop switch
typically the LCD module has failed.
Below are common diagnostic codes and some typical causes / remedies. If the information provided in the "Correction" section does
not cure the code, seek technical support from your local authorized RPS Corporation distributor.
PG Drives Trio End User Diagnostic Codes 8/21/2018