RKI Instruments GD-K71D User Manual

Page 37

PT2E-1052

８．TREATMENT AT ABNORMAL CASE

８−１．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 of detector at trouble shall be as follows.

Output from GD-K71D: 0.5mA(Fix)

LED display Trouble content

Main cause

E-00

System trouble

Memory trouble in the detector

E-01

Abnormal of sensor

connection

Connector contact failure,

Sensor cable disconnection

E-04

Abnormal function for

zero correction

Abnormality of sensor drift

E-05 Low

flow

Filth of filter or deterioration

of pump

８−２．Counteraction at trouble alarm

When any trouble was found on this gas detector, contact our nearest agent or
Riken Keiki.
If trouble should take place, we try best to search its cause and prevent its cause.

８−３．Before it is thought to be a trouble

It may be originated from disconnection and short circuit between units.

・Check the wirings including pherical equipment as well as this detector.

There is the case that operation of detector is not correct including piping work etc.

・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, power line filter,

insulation transformer etc or those addition.