SOLUTION SYSTEM 61Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
SOLUTION & AXP/EDS SYSTEM ERROR CODES AND MEASUREMENTS - ADVENGER / BR 755,
855 AND ST
Advenger /
BR 755, 855
Display
Error Code
ST Service
LED
Blink Code
Fault Description Troubleshooting Action
8 1, 4 Solution solenoid overload
1. Check for a wiring problem.
2. Check coil resistance (see below).
3. Replace solenoid if coil is shorted.
11 NA Chemical pump overload
1. Check for a wiring problem.
2. Replace pump.
30
2, 3
Visible in
Fault Recall
Mode
Solution solenoid open
1. Check for disconnected solenoid wiring plug, open in
wiring, or open in solenoid (see below).
2. Repair or replace.
Voltage at control board should be -24V referenced to B+.
37 NA Chemical pump open
1. Check for disconnected plug or open in wiring.
2. Repair or replace
When the pump is On, it makes a clicking noise.
If the board output is correct it should appear as a pulsed
signal to a DVM.
62 4, 2 Solution solenoid control fault
1. If J3-11 is 24V referenced to B+ when Solution switch is
Off, replace control board.
2. If J3-11 is 0V referenced to B+ when Solution switch is Off,
disable fault via Hidden Menu. Refer to “Control Board J1,
J2, and J3 Pin Outs and Test Points” section.
Solution
Solenoid
Nominal
Resistance
Nominal Current Overload Current Wire Colors
L1 35 ohms 650 mA 750 mA BRN & VIO/BLK
Chemical Pump Nominal Current Overload Current Wire Colors
M2 PWM 870 mA PWM n/a
Troubleshooting Solution & AXP/EDS System Issues
Problem Possible Cause
Inadequate or no solution ow No solution in the tank.
Red Solution Shutoff Valve (21) is in the Off position .
Clogged Solution Filter (20), valve L1, or hoses.
L1 Solution Solenoid Valve defect.
Main controller fault.
Advenger / BR 755, 855
Solution tank level indicator shows empty even
though the tank is full
Small clear hose at pressure sensor on control board is kinked - refer to “Replacing the
Operator Control Panel“ for instructions.
Solution ow and/or chemical rate don’t appear to
follow programming
1. Air leak at hose connection to pressure sensor.
2. Air leak at Pressure Sensing Tube tting.
3. Small clear hose at pressure sensor on Interface Control Panel is kinked.
Solution level indicator doesn’t work after new
control board installed
1. Solution tank wasn’t completely drained before installation of new Interface Control
Panel. Completely drain the solution tank and the pressure differential should work
properly again.
2. Check for air leaks at re-connected hose ttings.
Chemical rate doesn’t match manufacturer
specications
Check that pump is wired correctly and that the polarity isn’t reversed.
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