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Wellcare WE-167NSHD Instruction Manual page 16

Soothing heating pad

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APS (Active Protection System) – 3-Color LED
This appliance is equipped with APS (Active
Protection System) (3) technology which detects
errors on the operation or component failures. By
the 3-color LEDs (3) which can be seen from both
sides of the controller (2) and the beep sound, APS
can help you to operate the product easily and
safely.
Green – Your heating pad has reached the
desired temperature level
Orange – Your heating pad is heating up to
reach the desired temperature level
Due to the temperature variation in different
environments (room, bed, etc.), APS LED may
change between green and orange colors within
seconds which indicates continuous heating when
the product is in use. Under this circumstance,
please note the product is functioning properly and
normally.
Red light and Beep Sound – Possible
malfunction or overheating, switch off the
appliance immediately.
In the following situations, the red light and beep
sound will come on to indicate warning :
When the power is on but detachable plug-in
connector (6) is not connected properly : there
will be beep sound every second with the red
light on. Please connect the detachable plug-
in connector (6) to the connection box (7) and
switch on the controller again.
When the critical components are damaged :
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