35
Installation and Operation Manual
System 2000
TROUBLESHOOTING GUIDE (Cont'd.)
Symptom Probable Cause(s) Corrective Action
System returns to standby mode while
pumping—FRC or HYPRO appears
momentarily while pumping.
Insufficient power supply. Inspect and correct power and ground connections,
and wiring.
Current resistance in wiring circuits. Make sure 8 AWG (minimum) wire is used for
connection to battery terminal.
LO.CON appears on display. Concentrate level in tank is low. Fill concentrate tank.
Low-level sensor or wiring is inoperative. Repair or replace faulty components.
ERR.SU on power up. Setup parameter memory is not functioning. Contact FOAMPRO for replacement. (NOTE: This unit
will continue to operate using factory setup values.)
Display shows “?” for flow. Flowmeter is sensing water flow, but the flow rate is
too low for precise proportioning.
Check flowmeter.
CAL/INJECT valve is leaking. Valve seat is loose. Remove hose and fitting from inject port of valve and
tighten seat using 3/8 inch hex wrench. Reconnect
fitting and hose.
System cannot be calibrated. Calibration values selected are out of range of
system, or setup memory is full.
Perform system reset as described in
Calibration Section.
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