© Galvin Engineering Pty Ltd
Product Installation Guidelines
Version 1, 19 October 2022, Page
20
of
25
13.0
TROUBLESHOOTING
PROBLEM
CAUSE
RECTIFICATION
Sensor Not
Responding
-
Damaged or scratched lens
-
Sensor length to short
-
Lead damaged
-
No power
-
Waving hand too fast
-
Transformer faulty
-
Replace the sensor unit
-
Adjust beam to correct length.
-
Replace connected item.
-
Check power is on
-
Slow down the action in front of the sensor
-
Replace transformer
False Activation
-
Sensor length too long
-
Reflection from a light source
-
Adjust sensor length to correct length
-
Re-align sensor or shield light source
The desired mixed
water temperature
cannot be obtained, or
valve is difficult to set.
-
Hot and cold supplies are fitted to the
wrong connections
-
Thermostatic cartridge contains
debris or is damaged
-
Strainers contain debris
-
Non-return devices are damaged
-
Refit the valve with Hot/Cold supplies fitted
to the correct connections
-
Clean the Cartridge ensuring that all debris is
removed, and components are not damage.
Replace if necessary
-
Clean strainers ensuring debris is removed
-
Check non-return device is not jammed.
Clean it if necessary
-
Check for airlocks in the water supply
When the water is set
at cold, the blended
temperature is too hot
-
Hot & Cold water supply connections
are installed in reverse.
-
Refit the valve with Hot/Cold supplies fitted
to the correct connections
The thermostatic
mixing valve will not
shut down
-
The hot to cold mix temperature
differential is not 10°C or greater
-
Thermostatic cartridge contains
debris or is damaged
-
Non-return devices are damaged
-
Raise hot water temperature
-
Clean the cartridge ensuring that all debris is
not jammed. Clean if necessary
Mix temperature
unstable
-
Flow rate below 6 L/min
-
Thermostatic cartridge contains
debris or is damaged
-
Strainers contain debris
-
Non-return devices are damaged
-
Rectify any pressure deterioration
-
Clean the cartridge ensuring that all debris is
removed and components are not damaged.
Replace if necessary
-
Clean strainers ensuring debris is removed
-
Check non-return device is not jammed.
Clean if necessary
Mix temperature
changing over time
-
Inlet conditions (pressure or
temperatures) are fluctuating
-
Strainers contain debris
-
Install suitable pressure control valves to
ensure inlet conditions
-
Clean strainers ensuring debris is removed
Either full hot or cold
flowing from outlet
fixture
-
Hot/Cold water has migrated to
another inlet
-
No flow from Hot and Cold supplies
–
damaged check valves
-
Re-set temperature to between 35-45°C as
required
-
Replace faulty check valves
Water is not flowing
from outlet
-
Hot or cold water failure
-
Thermostatic cartridge contains
debris or damage
-
Strainers contain debris
-
Remove aerator and clean then reinstall
-
Restore inlet supplies and check mix
temperature
-
Clean the cartridge ensuring that all debris is
removed and components are not damaged.
Replace if necessary
-
Clean strainers
