Stihl RE 88, Instruction Manual

Page: 27 / 32

RE 88
English
25
Troubleshooting
Before working on the machine, unplug the power cord, turn off the water supply and actuate the spray gun until the pressure has
been relieved.
Fault
Cause Remedy
Motor does not run when switched on
(hums when switched on)
Mains voltage is too low or improper Check electrical connection
Check plug, cable and switch
Extension cord with wrong cross-section Use an extension cord with a sufficient
cross-section, see "Connecting the
machine to the power supply"
Extension cord is too long Connect the machine without an exten
-
sion cord or with a shorter one
Mains circuit-breaker has been tripped Switch off the machine, actuate the spray
gun until water only drips out of the head,
engage the safety catch, reset the mains
circuit-breaker
Spray gun not actuated Actuate spray gun when switching on the
machine
Motor constantly switches on and off High-pressure pump or spray attachment is
leaky
Have the machine checked by a servicing
dealer
1)
Engine stops Machine switches off because the motor is
overheating
Check whether the supply voltage and
machine voltage match; let the motor cool
down for at least 5 minutes
Weak, ragged, unclean jet Nozzle fouled Clean nozzle, see "Maintenance"
Pressure fluctuates or drops Shortage of water Open water tap completely
Comply with permissible suction lift (suc
-
tion mode only)
High-pressure nozzle in spray head is dirty Clean high-pressure nozzle; see
"Maintenance"
Water intake strainer in pump inflow clogged Clean water intake strainer; see
"Maintenance"
High-pressure pump is leaky, valves are
defective
Have the machine checked by a servicing
dealer
1)
Nozzle clogged Clean nozzle