b. Replace valve cartridge.
8. If Light Within Sensor Does Not Flash When User Is In Range:
a. Verify 120VAC input & 9VDC output transformer output 9VDC.
b. Replace Defective Transformer.
tighten to lock in place.
c. Transformer polarity crossed. Replace transformer, sensor may be damaged and also need to
be replacement.
d. Sensor in “Security Mode” after 30 seconds of consistent detection. Remove source of detection
and wait 30 seconds before checking.
e. Sensor is picking up a highly reflective surface. Eliminate cause of reflection and wait 30
seconds before checking.
2. Excess dirt or poor ventilation will cause the compressor overload protector to turn the compressor
off and it will cycle on and off with no cold water coming out of bubbler. Periodically clean with
vacuum cleaner, air hose or brush the condenser fins and cabinet ventilation louvers. In
environments where dirt and dust is more prevalent, clean more frequently.
5. Exterior panels can be cleaned using mild household detergents or warm, soapy water. Extra care
must be used cleaning chrome plated items and mirror finished stainless steel. They can scratch
easily and should only be cleaned using a clean, soft cloth and mild soap with water or a mild glass
cleaner.
c. There is debris or scale in the center or two hole in convolution of the water diaphragm. Remove
and clean.
a. Repair bad connection from sensor to solenoid.
b. There is debris or scale in the solenoid assembly. Remove solenoid, pull out plunger and spring.
Clean with scale remover solution.
9. If Light Within Sensor Lens Flashes Once When User Is Within Range:
1. Motors have lifetime lubrication and do not require scheduled maintenance.
CLEANING & MAINTENANCE GUIDE:
f. Replace sensor.
3. Periodically remove fountain top and clean out in-line strainer.
4. Do NOT use harsh chemicals, abrasive or petroleum based cleaners. Use of these will void the
Acorn Engineering warranty.
A151.8-VR
Page 8 of 11
Date:
11/10/2020
7021-024-001
MURDOCK MFG. •
15125 Proctor Avenue • City of Industry, CA 91746 USA
Phone 800-453-7465 or 626-333-2543 • Fax 626-855-4860 • www.murdockmfg.com
Member of
CONTEMPORARY WATER COOLERS
I N S TA L L AT I O N / M A I N T E N A N C E I N S T R U C T I O N S
DRINKING FOUNTAINS
