Table of Contents
Advertisement
ERR 4 is displayed.
System Troubleshooting
Problem
Regenerant tank overflow.
Flowing or dripping water
at drain or regenerant line
after regeneration.
If single tank system..
Controller on tank 2 does not know the
position of the camshaft. Camshaft
should be rotating to find Home position.
Camshaft on tank 2 is not turning during
ERR 4 display.
Camshaft on tank 2 is turning more than
five minutes to find Home position:
Possible Cause
a.
Uncontrolled refill flow rate.
b.
Air Leak in regenerant line to air
check.
c.
Drain control clogged with resin or
other debris.
a.
Valve stem return spring weak.
b.
Debris is preventing valve disc from
closing.
42
Verify system setting is programmed to
293/298"L".
Wait for two minutes for the controller to
return to Home position. The hourglass
should be flashing on the display
indicating the motor is running.
Check that motor is connected. Verify that
motor wire harness is connected to motor
and controller module.
Verify that optical sensor is connected
and in place.
Verify that motor gear has engaged cam
gear.
If everything is connected, try replacing in
this order:
1. Wire Harness, Motor, Optical Sensor
Assy
2. Controller
Verify that optical sensor is in place and
connected to wire.
Verify that camshaft is connected
appropriately.
Verify that no dirt or rubbish is clogging
any of the cam slots.
If motor continues to rotate indefinitely,
replace the following components in this
order:
1. Wire Harness, Motor, Optical Sensor
Assy
2. Controller
Solution
a.
Remove refill flow control to clean ball
and seat.
b.
Check all connections in regenerant line
for leaks.
c.
Clean drain control.
a.
Replace spring. (Contact dealer).
b.
Remove debris.
Advertisement
Table of Contents
Troubleshooting
