Model 7000, Troubleshooting, Error codes – Hydrotech 7000 Service Manual User Manual
Page 24: General troubleshooting

Model 7000
24
Troubleshooting
Error Codes
NOTE: Error Codes appear on the In Service display.
There are three possible error codes.:
General Troubleshooting
Error Code
Probable Cause
Recover and Resetting
( Err 0 )
Drive motor is stalled
Unplug the unit from the power source.
When power is restored to the unit, the Err _
display code clears. If the condition causing
the error has not been resolved the Err _
code reappears in the four digit display. Do
not attempt to troubleshoot this problem any
further. Contact the installer for service.
( Err 1 )
Drive motor is running continuously
( Err 2 )
There have been more than 99 days since
the last Regeneration
Regeneration must occur for the unit to
recover, the display to clear and the valve to
function normally. Contact the installer for
service.
WARNING
The controller MUST be depressurized before removing
any quick connection clips for servicing. The connector
should be pushed toward the control while removing clips.
PROBLEM
CAUSE
CORRECTION
1.
Softener fails to regenerate.
A. Electrical service to unit has been
interrupted.
B. Timer is defective.
A. Assure permanent electrical
service (check fuse, plug, pull
chain or switch).
B. Replace timer.
2. Hard water.
A. Bypass valve is open.
B. No salt in brine tank.
C. Injector screen plugged.
D. Insufficient water flowing into brine
tank.
E. Hot water tank hardness.
F. Leak at distributor tube.
G. Internal valve leak.
A. Close bypass valve.
B. Add Salt to brine tank and maintain
salt level above water level.
C. Clean injector screen.
D. Check brine tank fill time and clean
brine line flow control if plugged.
E. Repeated flushing of the hot water
tank is required.
F. Make sure distributor tube is not
cracked. Check O-Ring and tube
pilot.
B. Replace seals and spacers and/or
piston.