Crescent CS7010 - No detergent flow to the solution system; The hot water system is not operating.; The high-pressure spray system is not operating.; The low-pressure wash hose is not operating.

217Service Manual – CS7010™ 30 - Solution System
Problem Cause Correction
Nodetergentowto
the solution system
The detergent and EcoFlex™
functions are not installed in
thecongurationmenu.
InstallboththedetergentandEcoFlex™functionsin
thecongurationmenu.
The detergent supply lines are
clogged.
Checkthedetergentlinesandclean/replaceas
necessary.
Oneorbothofthedetergent
pumps are not operating
correctly.
Checkforvoltageatthepumps.
• Ifthereisvoltageatapump,replacethepump.
• Ifthereisnovoltageatapump:
1. CheckthewiringfromJ2-19andJ2-7,andJ2-32
and J2-21 to the pumps.
2. ChecktheJ2-19,J2-7,J2-32andJ2-21outputs
from A1 Main Machine Controller.
Thehotwatersystem
is not operating.
The solution is not circulating
through the heat exchanger.
Checkthesolutionhosestoandfromtheheat
exchanger and repair/replace as necessary.
The high-pressure
spray system is not
operating.
Thehigh-pressurewand
switchonthecontrolpanel
has not been pressed.
Pressthehigh-pressurewandswitchtoengagethe
high-pressure solution pump.
Thehighpressurewash
function is not installed in the
congurationmenu.
Installthehighpressurewashfunctioninthe
congurationmenu.
Thesolutionlterscreenis
plugged.
Cleanthesolutionlterscreen.
The high-pressure pump
clutch is not engaging.
Checkthatthebeltontheenginepulleyisdrivingthe
clutchpulley.Adjustthebelttensionorreplacethebelt
as necessary.
Checktheconnectionfromtheclutchtobatteryground
and repair as necessary.
ChecktheoutputfromJ3-9onA1MainMachine
Controller.IfthereisvoltagefromJ3-9totheclutch,
replace the clutch.
The relief valve is not
operating.
Replace the relief valve.
Thelow-pressure
washhoseisnot
operating.
Thelowpressurewash
function is not installed in the
congurationmenu.
Installthelowpressurewashfunctioninthe
congurationmenu.
Thelow-pressurepump(M23)
is not operating.
Checkforvoltageatthepump.
• Ifthereisvoltageatthepump,replacethepump.
• Ifthereisnovoltageatthepump:
1. Checkthewiringandcircuitbreakersupstreamof
the pump.
2. ChecktheJ3-24outputfromA1MainMachine
Controller.