VZN SERIES
17
P/N 1011064 Rev. G 11/16
TROUBLESHOOTING
Problem
Possible Cause
Corrective Action
Unit does not have power.
The power cord is not plugged into the
appropriate outlet or control box.
Plug power cord into the appropriate outlet.
The unit is plugged into a switched
electrical outlet.
Plug the power cord into an unswitched outlet.
Universal Pulse Controller is inoperable.
Contact your maintenance person or Authorized
Service Agency.
Transformer is defective.
No water comes out of the
filter system.
Inlet/Outlet Ball Valves closed.
Open the Inlet/Outlet Ball Valves.
System depressurized.
Pressurize system.
Drain Valve is stuck open.
Clean, rebuild, and/or replace the Drain Valve.
Rinse Ball Valve is open.
Close the Rinse Ball Valve.
The system may be in a flush cycle.
Wait for the flush cycle to end.
Inlet Strainer (if installed) is plugged.
Clean or replace Inlet Strainer
Ultra Filter Cartridge is plugged.
Replace Ultra Filter Cartridge.
Low water flow comes out of the
filter system.
See above.
See above.
The inlet water pressure is too low.
Boost the inlet water pressure.
The inlet flow restrictor may be plugged.
Clean or replace the inlet flow restrictor.
Water tastes bad.
Storage/shipping solution not completely
flushed out of the system.
Flush the system for a longer period of time;
replace Carbon Element.
Biological growth in pipes.
Sanitize plumbing.
Water condition changed.
Consider installing additional filtration.
Broken capillaries in Ultra Filter
Cartridge.
Replace Ultra Filter Cartridge.
Flush runs continuously.
Drain Valve stuck open.
Clean, rebuild, or replace the Drain Valve.
Controller sending continuous signals to
valve.
Replace the controller.
Flush runs too long.
Flush settings changed from factory
setting.
Confirm flush settings; change back to
factory settings.
Inoperable Universal Pulse Controller.
Replace the Universal Pulse Controller.
Flush occurs at a time of high
water usage.
The controller interval is set incorrectly or
setting was lost due to power loss.
Set interval.
Water splashes at drain during
flush.
Drain line not positioned properly.
Reposition the end of the drain line.
Drain not capable of handling high flow
rate.
Clean drain; find alternate drain.
Water leaks at ends of the Ultra
Filter cartridge after changing
cartridge.
O-ring not lubricated.
Lubricate O-ring with food grade lubricant.
O-ring is split, cut, or twisted.
Replace O-ring.
Water leaks from system
fitting or connection.
Fitting broken or loose.
Tighten or replace the fitting.
Not enough pipe thread sealant used.
Redo the fitting with the proper amount of seal-
ant.
