1203   Error: Plasma did not come on.

The Plasma did not ignite (When the instrument is changing from Standby mode to Analysis Mode).

Check the Plasma RF forward power and reflected power, argon gas line pressure, and flow rate. The following are the probable causes.

• The installation of the torch, bonnet, and shield plate is faulty.
• The work coil position is mis-aligned.
• Argon gas is not supplied or there is a leak in the gas line.
• The air is mixed with Argon gas.
• The limits of the tuning parameters for the RF Matching are inappropriate.
• The limits of the system parameters for the Shunt capacitor item is inappropriate.
• The Plasma RF cable came off or the cables are defective.
• Malfunction of the Shunt capacitor.
• The power cable to the RF generator comes off.
• Faulty RF generator.