Acorn Neo-Metro WEDGE WSW130 Panduan Pemasangan, Pengoperasian & Pemeliharaan - Halaman 9
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Halaman Cetak
TROUBLE SHOOTING FOR 9 VOLT DC SENSOR OPERATED VALVES
Normal Valve Function: 9 Volt DC sensor operated valve has flow time of 90 seconds maximum.
To reactivate, the user must move out of and return to the sensing area.
CONDITION: WATER DOES NOT FLOW
Indicators
Sensor flashes continuously
every 2 seconds when
hands are within range.
Sensor does not flash
when the user's hands
are within range.
Sensor flashes once
when user's hands are
within range.
CONDITION: FALSE TRIGGERING;
WATER FLOWS CONTINUOUSLY
Indicators
Sensor flashes when user's
hands are within range.
Sensor does not flash when
users hands are within range.
CONDITION: WATER FLOWS
CONTINUOUSLY BUT STOPS
WHEN HANDS ARE WITHIN RANGE
Indicators
Water runs continuously when
sensor not activated. Sensor
flashes when hands are within
range and water shuts off.
Part #: 5914-000-001
Probable Cause
Low battery warning
Circuit breaker tripped.
Battery completely used up.
Defective 9V DC transformer
Transformer polarity crossed
Unit is in "Security Mode" after
90 seconds of constant detection.
Range is too short.
Range is too long.
Sensor is picking up a highly
reflective surface.
Defective sensor.
Stops or water main closed.
Bad sensor to solenoid connection.
Debris or scale in
solenoid assembly.
Debris or scale in diaphragm.
Debris or scale in strainer.
Probable Cause
Debris or scale in diaphragm
Diaphragm is defective or torn.
Sensor is dirty or covered.
Range too long or highly
reflective surface, sunlight, bright
lights etc. are triggering sensor.
Probable Cause
Solenoid polarity crossed.
TOLL FREE 800-743-8259 • LOCAL 626-855-4866 • FAX 626-855-4863
Page 9 of 11
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Solution
Replace battery
Reset circuit breaker
Replace battery
Replace transformer.
Replace transformer (sensor may be
damaged and need replacement).
Remove sources of detection and
wait 30 seconds before checking.
Increase range.
Decrease range and wait 30 seconds.
Eliminate cause of reflection and wait
30 seconds before checking.
Replace sensor.
Open stops or water main.
Ensure wires make proper contact.
Remove solenoid, pull out plunger
and spring, and clean with scale
remover solution or pressurized air.
Remove diaphragm and clean
Remove strainer and clean.
Solution
Remove diaphragm and clean.
Replace diaphragm.
Clean or uncover sensor and
wait 30 seconds.
Decrease range and wait 30 seconds.
Eliminate cause of reflection or
correct lighting problem.
Solution
Disconnect solenoid and
reverse polarity.
NEO-METRO FIELD SERVICE
Date: 04/12/21