ZIM12-00505 Rev. 1
TransTech IV Service Manual
23
Is the Empty Waste LED flashing?
Press Empty Waste button. Is
Empty Waste LED on solid?
YES
Is the Waste Tank fluid level above
the zero mark?
YES
Replace Waste
Tank level switch
NO
Add fluid to waste
tank
YES
NO
Is the pump on?
Replace PCB
YES
Test dipstick and
empty waste
solenoids both
should be on.
Replace as
necessary
Replace
Waste Pump
NO
NO
UNIT WON’T EMPTY WASTE
UNIT PERFORMS DIPSTICK DRAIN SLOWLY OR NOT AT ALL
Is voltage being supplied to the
Waste Pump while attempting
dipstick drain? Note: Voltage at pump
50% of supply voltage
Does the pump run
NO
YES
Replace Waste
Pump
NO
Is the battery that the
TransTech connected to
outputting a minimum 12
VDC with the TransTech on?
YES
Replace PCB
YES
Does the dipstick drain
remove approx 1 quart
of ATF @ 20C through
a 60” lg 5/16” tube?
NO
Clean the dipstick drain filter,
inspect all connections, tubes
and hoses for kinking,
damage or air suction leaks.
TROUBLESHOOTING (CONT’D)
