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20
pH PERMISSIVE CONTROL SYSTEM
OPERATOR’S MANUAL
TROUBLESHOOTING
8.914-301.0-D • PH-3020 PERMISSIVE CONTROL SYSTEM
ACID OR BASE PUMP NOT TURNING ON
PROBLEM POSSIBLE CAUSE SOLUTION
NO VOLTAGE LIGHT
Breaker not on Turn breaker on.
GFCI tripped Reset.
Bad lamp Replace.
MIX PUMP WON'T
TURN ON
Switch not in auto position
Put switch in auto position.
Float in feed tank is in down position Fill tank.
No voltage to pump Check continuity through mix
pump switch.
Thermal protect on motor tripped Let motor cool.
SUMP PUMP WON'T
TURN ON
Switch not in auto position Put switch in auto position.
Low water float in pit is in the down
position
Fill pit.
Is upper shut-off float in feed tank in
the upper position
Drain tank.
ACID OR BASE PUMP
NOT TURNING ON
Pump switch off Turn on.
pH within 6.5 - 7.5 Desired range. Pumps not required to
be on.
Mix Pump not on See above Mix Pump troubleshooting.
Bad Idec relay Replace relay.
Fuse in pump blower Replace fuse.
Flow switch not activated with pump
on
Jumper #1 and #2 on controller
terminal TB4.
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