Microheat MHFOB72 Manuale Utente
10/31/2006
14
Installation / Operation Manual HotShot MH-35 RF
Troubleshooting
Indication
Meaning
Action
In automatic mode, the unit works
for 30-45 seconds without spraying
and turns off.
for 30-45 seconds without spraying
and turns off.
The washer lines are empty.
Prime unit by operating the washer
system manually until the first
spray.
system manually until the first
spray.
Unit does not turn on.
No power to unit.
Check fuse and power connections.
In manual priming there is no spray. The check valve direction is
incorrect.
Reverse direction and retry.
Auto LED Light Blinks (Once every
3 seconds)
3 seconds)
HotShot is operating in automatic
mode.
mode.
No action required.
Standby LED Light Blinks (Once
every 3 seconds)
every 3 seconds)
HotShot is operating in standby
mode.
mode.
No action required.
Both LED Lights Blink alternately
for 6 seconds
for 6 seconds
The blinking light indicates an
absence of washer fluid coming into
MH-35 RF unit, or system error.
absence of washer fluid coming into
MH-35 RF unit, or system error.
First check the fluid level in the
washer fluid reservoir. Top off if
needed. Reset the system by turning
the unit off and on. If this fails to
correct the condition, discontinue
use of the unit and refer to Technical
Support for assistance.
washer fluid reservoir. Top off if
needed. Reset the system by turning
the unit off and on. If this fails to
correct the condition, discontinue
use of the unit and refer to Technical
Support for assistance.
The Spray is not hot.
Blown fuse
Discontinue use of the unit and refer
to Technical Support for assistance.
to Technical Support for assistance.
The washer spray was ok before the
HotShot installation but now is
weak.
HotShot installation but now is
weak.
The hoses that connect to the inlet
and outlet hose barbs may not be
connected properly.
and outlet hose barbs may not be
connected properly.
Check the connection hoses.
The HotShot unit starts working
without pushing the button.
without pushing the button.
There is a system error.
Discontinue use of the unit and refer
to Technical Support for assistance.
to Technical Support for assistance.
The MH-35 RF unit has detected
that the power supply is less than
12.4 volts, indicating the ignition
switch is in the “off” position, or the
vehicles electrical system is
overloaded.
that the power supply is less than
12.4 volts, indicating the ignition
switch is in the “off” position, or the
vehicles electrical system is
overloaded.
Make sure vehicles ignition switch
is on. If it is, Discontinue use of the
unit and refer to Technical Support
for assistance.
is on. If it is, Discontinue use of the
unit and refer to Technical Support
for assistance.
No connection to the vehicle’s
battery and/or the FOB batteries are
dead.
battery and/or the FOB batteries are
dead.
Check positive and negative cables
connections and the FOB .
connections and the FOB .
Positive battery cable in-line fuse is
open.
open.
Check fuse and connections. If fuse
is open, replace. If it pops the fuse
again, contact technical support.
is open, replace. If it pops the fuse
again, contact technical support.
Nothing happens when the FOB
switch in pressed.
switch in pressed.
MH35-RF not married to FOB
properly.
properly.
Check connections, connect
properly if necessary. And re-
commission the FOB to the
underhood unit
properly if necessary. And re-
commission the FOB to the
underhood unit
The MH-35 RF begins working but
stops operating abruptly.
stops operating abruptly.
System must be at least 12.5 volts to
operate.
operate.
Check charging system.