Riken Keiki OX-07, Руководство по эксплуатации

Страница: 19 / 25

17
7. TROUBLESHOOTING
Symptoms Probable causes Recommended action
The unit will not
turn on Batteries may need to be
replaced. Refer to section.
<2-1 Mounting /replacing the
batteries>
Battery polarity may be
wrong.
Holding time for POWER
button may be too short.
Press and hold POWER
button for about 1 sec
until it shows display.
Battery cover may be loose. Verify that the battery cover
is attached.
“CIRCUIT FAIL”
is displayed
on the LCD
A circuit failure has occurred. Contact our nearest agent to
repair.
“SENSOR FAIL”
is displayed
on the LCD
The O2 sensor may need
replacement. Replace the sensor with new
one.
“AIR CAL. FAIL”
displays
during fresh air
adjustment
Fresh air is not supplied to
the unit. Supply fresh air.
The O2 sensor may need
replacement. Replace the sensor with new
one.
“BATTERY FAIL”
is displayed
on the LCD
Decrease of battery voltage. Turn off the unit and replace
batteries with new ones at
non-hazardous area.