XR-OP-EN
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TROUBLE-SHOOTING CENTRAL COMMAND
NOTE: This machine is operated by a sophisticated electronic “controller” that has many fail safes within it. It
self-analyzes problems and fl ashes a four-digit alpha-numeric code of what is wrong in the LCD window.
Most of these codes require a technician attention. You should not attempt repairs you are unfamiliar with, especially if you
are not authorized to work on this equipment.
1. 7601 and 7602 ERROR:
Scrubdeck current over load. This
can occur when driving over a bump in the fl oor. To restart, turn
OFF
the Key and turn it on again. To avoid this error, either slow
down on bumpy parts of the fl oor, or reduce down pressure on
the Scrubdeck.
2. 1500 ERROR:
There is an open in the parking brake circuit.
Check the parking brake wiring and the parking brake coil to fi nd
the open circuit.
3. 770, 7701, 7702, and 7703 ERROR:
The vacuum motor has
exceeded their authorized power limits. Turn
OFF
Key and turn
ON
again to clear.
4. BOOST ON:
Allows front wheel drive to draw more power
when needed to climb ramps for 30 seconds.