Troubleshooting
40 3B0070C
Control Board
Symptom: Sprayer does not run or stop
running.
1. Check voltage supply to the board.
a. With multimeter, measure the AC
voltage from the end of the power
cord (L1in and L2in, see Wiring
Diagrams, page 64). AC voltage
should read 100-127 VAC or
220-240 VAC, depending on
location.
b. If voltage is low or not present,
check power supply from wall. If
power supply from wall is good,
unplug from wall and allow five
minutes for voltage to drain from
board.
c. Check wiring, power cord, or
connectors for damage.
2. Check for physical damage.
To avoid injury from electrical shock and
moving parts, do not remove interior
motor cover or touch electrical
components.
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