Service manual

9. Trouble Shooting the Code 8 Error
ES2832,CP2832,SCV2426andSC2832EModelsOnly)
1. Check for loose or burnt connections on the controller, batteries, cables and
the circuit breaker. Make the sure the circuit breaker is not damaged.
2. Measure the total batter volta e at the batteries and at the batter
yg y
connections on the controller. They should be exactly the same. A 1/10 of a
volt or more difference would indicate a problem in the connections.
3. Check to see, if the operator has recently washed the machine down and got
f
water inside o
f
the brush motor or in the controller area.
4. On the ES2832 and CP2832 only disconnect the plug on the Service Mode
Switch. This is accessible by tilting the solution tank forward. Power the
machine up with it disconnected If error code is cleared repla
machine
up
with
it
disconnected
.
If
error
code
is
cleared
replace
the
switch
.
5. Check for a disconnected or an open circuit or faulty potentiometer on the
throttle or speed circuit. Controller may not be detecting it in the circuit. Do a
continuit test. See “Testin the otentiometer” section.
ygp
Page 34