Kärcher PROCHEM Peak GTX2 Operating Instructions Manual page 55

Mobile cleaning unit
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PROBLEM
Excessive heating
Heat exchanger leaks. NOTE: The
heat exchanger will produce water
condensation discharge at times
during normal operation. DO NOT
confuse this with a leak.
Loss of temperature. The heat
output of the unit is LESS than
normal.
Automatic waste pump is malfunc-
tioning or not operating normally.
NOTE: When replacing either the
pump or float switch on internal (in
tank) pumpout, use new electrical
connectors and heat shrink. Inspect
connection for watertight seal.
Flow restriction caused by hard
water scaling.
Baffle door inside heat exchanger
stuck in heating mode.
Not enough water flow.
Engine/vacuum exhaust heat
exchangers are damaged from
frozen water.
Temperature relief valve on water
box is stuck open.
Engine RPM is low.
Baffle door inside heat exchanger
stuck in divert mode.
Defective temperature gauge.
Defective waste pump float switch. Replace float switch.
Broken diaphragm.
Weak battery.
Pump-out circuit breaker on control
panel has been tripped.
86411120 Manual Operators - Peak GTX2 Prochem
CAUSE
Descale unit, repair or replace damaged
plumbing components as necessary.
Install water softener.
Unstuck unit, repair or replace damaged
plumbing and electrical components as
necessary.
Check jet size of tool.
Inspect heat exchangers for leaks.
Visually inspect for damage. Pressure
check after removing from the unit.
(Maximum test pressure 1200 PSI).
Clean temperature relief valve and test.
Replace, if necessary.
Reset engine RPM.
Unstuck unit, repair or replace damaged
electrical components as necessary.
Clean solenoid air filter.
Test gauge and sensor. Replace failed
component.
Replace diaphragm.
Charge or replace battery if
needed.Check charging station.
After inspecting waste pump to
determine the cause of the tripped
circuit breaker, press the reset button.
Notes
SOLUTION
53

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