Michco sc8000, Руководство по обслуживанию

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Solution System 181 Service Manual – SC8000
Problem Cause Correction
No detergent flow to
the solution system
The detergent system not
installed in the configuration
menu.
Install the detergent system in the configuration
menu.
The detergent supply lines
are clogged.
Check the detergent lines and clean/replace as
necessary.
The detergent cartridge is
empty.
Refill the cartridge or switch the dry break cap and
insert into a full cartridge.
No voltage to the detergent
pump(s)
1. Check the wiring from J3-21 and J3-22 to
detergent pump 1, and the wiring from J3-19 and
J3-20 to detergent pump 2.
2. Check the J3-19, J3-20, J3-21 and J3-22 outputs
from the Driver Box.
Detergent pump 1 over
current (fault code 31
displayed)
Detergent pump 2 over
current (fault code 32
displayed)
• Check the detergent pump wiring for problems; #1
pump wire colors (+RED/WHT and - RED/BLU),
#2 pump wire colors (+ BLK/ YEL and - BLK/RED).
• Check the detergent pump motors for short circuit
and replace as necessary.
Note: The signal controlling the detergent pump is extremely complex and field
troubleshooting should a take a functional approach. Substitute with a known
good detergent pump to check operation. If the known good pump does not
operate, and the wiring and control inputs to the detergent system are correct,
check the Driver Box. Check the resistance of the detergent pump before
replacing the Driver Box so as not to damage it if the pump is defective.
No solution flow
from the wash hose
wand
Wand pump over current
(fault code 03 displayed)
• Check Pump motor M8 wiring for problems (+ BLU
and - BLU/RED).
• Check pump motor for short circuit and replace as
necessary.
• Test current draw 12.5 amps max., 12V at full load.
No voltage to the wand
pump
1. Check the wiring and circuit breakers upstream of
the pump .
2. Check the J3-23 output from the Driver Box.
Pressure switch not
operating correctly
Check the pressure switch and replace as
necessary.