Riken Keiki OX-591, Руководство по эксплуатации

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９．MEASURES AT AN ABNORMAL CASE
９－１．Trouble alarm
Flashing of PW/TR light
・When PW/TR light is flashing, it is the condition that the following trouble may be caused.
Research its cause and take an appropriate action.
・The output from the unit at trouble shall be as follows.
4～20mA output : Fixed at 0.5mA
Trouble alarm contact : Relay contact is activated.
LED display Trouble content Main cause
Ｅ－００ System trouble Memory trouble in the unit.
Ｅ－０１
Connection trouble
of detection head Detector head disconnection, sensor disconnection,
sensor cable disconnection.
９－２．Counteraction at trouble alarm
When any trouble was found on this unit and detector head, contact our nearest agent or RIKEN KEIKI.
９－３．Before it is thought to be trouble
It may be originated from disconnection and short circuit between units.
・Check the wirings including peripheral equipment as well as detector head.
・Re-check the detection system and contact our nearest agent or RIKEN KEIKI.
There is the case of electrical line trouble such as shut-off of power.
・This will be treated by the re-check of stand-by battery, electrical line filter, insulation transformer
etc or those addition.
９－４．Trouble shooting
(1) PW/TR light does not illuminate
＜Cause and action＞
・Is it OK with power cable connection?
Connect power cable.
・Is fuse disconnected?
Search the cause of disconnection and replace it after making counter-measures.
・Is power voltage normal?
Supply the rating power voltage.
・Is this power switch turned on?
Make power switch ON.
(2) Abnormal performance
＜Cause and action＞
・Sudden surge noise can be considered. When recover it, turn off the power and turn on the power
again for re-start of operation.
When such takes place oftentimes, take an appropriate action for noise.
(3) No calibration available
＜Cause and action＞
・Is the calibration gas concentration correct?
Prepare the appropriate calibration gas.
・There is the possibility for sensor sensitivity drop.
The sensor replacement is required.