Hydrotek H-8000C Series User Manual

H-8000C Series
Sensor Operated Flush Valve
Troubleshoong Guide
Normal Operaon: When power is connected, the ush valve will immediately perform diagnosc funcon.
You will hear a clicking sound and see lights ash. When the sensor is acvated, the light will ash once and
the valve will ush. The red indicator light will ash when the baeries are low.
Problem Possible Cause To Diagnose Remedy
Valve will not turn on:
Water not turned on Check water supply Turn water on
Power supply failure
No light, no clicking:
• Check baeries
• Check power adapter
Reinstall or replace baeries/
Replace power adapter
Electronic PCB / Sensor is
defecve
No light, no clicking:
• Reinsert baeries
• Reaach power adapter
Replace electronic PCB
Solenoid valve is clogged
Solenoid is clicking but no water
is coming out
Clean solenoid
Solenoid coil is defecve
Insert new baeries or reaach
power adapter. Light blinks but
no solenoid is clicking
Replace solenoid coil
Valve will not shut o:
The solenoid valve is normally closed. Turn o water and acvate the valve. If there is a clicking
sound, the solenoid valve is dirty. If there is no clicking sound, then check the solenoid valve. If
water is leaking through, the solenoid valve is dirty and needs to be serviced.
Other factors include:
• Sensor distance is too long
• Control module is defecve
• Manual override buon is scking
IMPORTANT: Periodic maintenance is required for smooth and trouble-free operaon of this ush valve.
For service and inquiry about available repair kits, please call Hydrotek Technical Support at (800) 922-9883.

Hydrotek H-8000C Series Specifications

General

Brand	Hydrotek
Model	H-8000C Series
Category	Control Unit
Language	English