- 13 -
4. Error Displays
If an error occurs with the Gas Leak Detector, the error lamps will flash, an error will be
displayed on the LCD, and the buzzer will sound repeatedly. The major errors are
described in the following table. Take the corresponding action given in the table.
Error
Error Display
Cause
Solution
Sensor Error
(Error lamps flash)
There may have been
gas present when the
power was turned ON.
Turn ON the power again in
clean air.
If the same error
occurs even after turning ON
the power several times,
there may be a problem with
the sensor. Request repairs.
Pump Error
(Error lamps flash)
Water or liquid may
have been sampled or
the inlet may be
blocked.
Remove the water or liquid.
(Refer to
Filter Element
Replacement
on page 14.)
If the same error occurs even
after pressing the “
ZERO/
RESTART PUMP/
BACKLIGHT”
button, the
pump may have failed, or
water or liquid may have been
in the Gas Leak Detector.
Request for repairs.
Battery Alarm
(Error lamps flash)
The battery voltage is
too low to operate.
Replace batteries. (Refer to
Battery Replacement on page
15.)
Detector Error
(Error lamps flash)
A problem may have
occurred in the Gas
Leak Detector.
Request for repairs.
- 12 -
In silent mode, the operation sound and alarm buzzer will not
function and the operation sound and alarm sound indicators on
the LCD will not be displayed. However, the error alarm buzzer
and battery alarm buzzer (in unusable state) will sound. (Refer to
Error Displays
on page 13 and to
Battery Replacement
on page
15.)
To release silent mode, press the “BUZZER” button for 3
seconds. The alarm buzzer cannot be turned ON or OFF unless
silent mode is released. (Refer to
Deactivating the Alarm Buzzer
on page 12.)
Deactivating the Alarm Buzzer
The alarm buzzer for gas detection can be turned ON or OFF.
Press the “BUZZER” button when the power is ON, the buzzer will
sound once and the alarm buzzer sound will be turned ON/ OFF.
The alarm sound indicator on the LCD will light (buzzer ON) or go
out (buzzer OFF).
Lighting the Backlight
The LCD backlight lights by pressing the “ZERO/RESTART PUMP/ BACKLIGHT”
button.
It also lights automatically for approximately 15 seconds when an error occurs.
When the power is turned ON again, the alarm buzzer
sound setting will be the same as before the power
was turned OFF.
However, the alarm buzzer sound
will be turned ON after the battery replacement.
The alarm buzzer sound cannot be turned ON or OFF
while in silent mode.
NOTE
To extend the battery life, the backlight will not light up when the remaining
battery charge indicator is at the lowest level (battery outline only).
NOTE
Silent mode will remain in effect even when the power
is turned OFF unless silent mode is released or unless
the batteries are replaced.
NOTE
4
3
2
1
L
H
SENS.
Alarm sound
indicator
4
3
2
1
L
H
SENS.
4
3
2
1
L
H
SENS.
