Frequently Asked Questions

(GAS) The indication of the connected...

Improper installation of the filter element. Reinstall the filter element correctly. When this is done, check the O-ring for any damage. Click here for... Show Detail

(GAS) The water drops from the gas ou...

Disabled cooler, drain pump failure. Replace the cunsumable parts. Click here for "Maintenance (Replacement of consumables)". Show Detail

(GAS) The gas flows only at 1L/min (C...

Clogged filter. Frozen cooler. Too much throttled needle valve. Mixed dust into the pump. Replace the consumable parts. Click here for "Maintenance (Re... Show Detail

(GAS) The gas dose not flow at all (C...

Disconnected piping. Broken pump. Check the piping after the pump for disconnection. About the pump manintenance, click here for "Maintenance (Replacem... Show Detail

(GAS) Gas does not flow into the flow...

• There is a problem with thepump.→ Replace the pump diaphragm orreplace thepump completely. Contact a Shimadzu sales or service representative. • There... Show Detail

(GAS) The indicator drifts (CGT-7100)

• There is alarge change inambient temperature.→ Select a location with as little possible changein temperature. • The inner surface of the cell isdirty... Show Detail

(GAS) The indicator values fluctuate ...

• The ground is not complete,→ Connect a ground having a resistance of no more than 100 ohms. • There is a large source ofvibration in the vicinity.→ Re... Show Detail

(GAS) O2 sensor's response becomes sl...

• O2 sensor may be deteriorated. Contact a Shimadzu sales or service representative. Show Detail

(GAS) Response is slow when performin...

• Any leakage from the standard gas inlet?→Attach a hose clamp to the standard gas inlet to prevent leakage. • Any leakage from the piping inside the in... Show Detail

(GAS) Ozone odor is evident (NOA-7100)

Has temperature of ozone deactivator risen. (The ozone deactivator is normal if it is warm to the touch.) Contact a Shimadzu sales or service representati... Show Detail