RKI Instruments SD-705EC - Manual (Page 29)

PT2E-1140
５．Abnormalities and Countermeasures
５−１ Trouble Indication and Countermeasure
This section describes a procedure to determine the fault location when any trouble is found
as a result of 4. Maintenance and inspection
Indication ： Ｅ−００
Indicated when trouble occurs inside detector.
Countermeasure ： Put ON the power again. If not recovered, replace the PCB .
Indication ： Ｅ−０４
Trouble of zero correction function. Indicated when zero fluctuation
beyond its tolerance due to long use or the influence against
environmental conditions.
Countermeasure ： Check with the portable gas detector that there is no gas around
gas detector. When no gas is confirmed, it may be caused by
either wrong zero adjustment to be done before or the defective of
sensor.
Make zero adjustment. If it can not be recovered or same trouble
will be happen later, consult with RIKEN KEIKI or our local agent.
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