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Trouble Shooting:
(Always make sure that sensor lens is clean and Duracell Copper Top batteries are fresh)
Valve does not operate, red light does not in response to approaching user:
1.
User out of range or not inline with sensor (sensor must be facing user).
2. Batteries need replacing. See battery replacement instructions.
3. Batteries installed improperly in battery pack, battery harness not plugged in properly, see installation
instruction, and battery replacement instructions.
4. Sensor wire loose, unplugged, plugged improperly, plug sensor wire properly. Please call MAC Faucets for
instructions if necessary.
Valve does not operate, red light blinks in response to approaching user:
1. No water, very low water pressure in supply pipes, supply valves closed.
2. Water pressure very high, well above 115 PSI.
3. Screen filter severely clogged up (V3 valves with screen filter located in tail pipe).
4. Batteries low or defective, replace batteries.
5. Sensor range has become short. Replace Sensor.
Valve operates on and off "by it self":
1. Sensor range adjusted too long, and must be adjusted for shorter range. Please call MAC Faucets for instruc-
tions.
2. Objects (such as toilet lid) may be present in close proximity to sensor.
3. Manual button defective. Replace manual button.
Valve leaks, drips:
Constant leaks or drips indicate defective cluster valve, or particulates which are wedged under piston. Clean
piston valve seat, send valve for repair or contact a plumbing professional.
Loud thud noise when valve flushes.
This is an issue commonly associated with diaphragm/piston type valves such as washing machine valves,
dishwasher valves, etc. The noise is generally present in the piping system. Clear winner remedies are to:
1. Lower water flow rate (see flow rate adjustment section of this manual).
2. Install "hammer arrestors" in close proximity to your valve. Please consult a plumbing professional for this
task.
Runaway flush valve, water runs out of valve continuously, does not stop.
1. Make sure batteries are installed properly (flush valve will stay open even when batteries are completely
spent.
2. Make sure that 2 wire plugs inside valve are plugged in properly.
3. (Rare) Sensor might have become defective in mid flush. There is not a viable field test for this phenome-
non.
4. Cluster valve might have become defective, or particulates are wedged under piston seat. Remove cluster
from valve to check for dirt under piston seat, If no dirt is found, replace cluster.
Mac Faucets warrant this Product to be free of defects for a period of one year from date of
purchase. Mac Faucets will replace, free of charge, during this warranty period, parts that prove
defective when properly installed and under normal use and service. Damage that occurs as a
result of abuse, improper installation, environmental conditions, or improper application will void
this warranty. Products must be shipped with postage and handling prepaid, along with dated
proof of purchase. This warranty does not cover installation or any other labor charges. it does
not cover shipping and handling of both replacement parts and returned defective parts. Products
or components that have been altered or in any way modified will not be covered under this
warranty. Replacement parts are under warranty only for the remaining period under the initial
warranty. Some states do not allow for exclusion of incidental or consequential damage.
LIMITED WARRANTY
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