Table 18. Troubleshooting/Fault Diagnosis (continued)

 

Signal/

 

 

Operation

Other

Possible Cause

Corrective Action

 

Symptoms

 

 

 

 

 

 

Lamp Control at

LAMP OUT

Control card

Replace control card.

LAMP ON

indicator does

 

 

 

not light, or UV

 

 

 

lamp does not

 

 

 

light

 

 

 

 

 

 

 

Arcing sound

Damaged Reflector

Disconnect all power. Inspect reflector for

 

from irradiator,

 

pitting near large slots. Replace reflector if

 

a grinding

 

necessary.

 

noise

 

 

 

Wiring or connector

Remove irradiator cover and inspect wiring

 

 

 

 

 

for damage.

 

 

 

 

 

 

Magnetron

Replace the magnetron; see Chapter 6,

 

 

 

“Maintenance”.

 

 

 

 

 

System not

Incorrect

See Chapter 3, “Electrical System”.

 

responding in

MASTER/SLAVE

 

 

accordance

arrangement or

 

 

with

cable hook up

 

 

programming

 

 

 

switch SW1

 

 

 

settings

 

 

 

 

 

 

Installation, Operation, and Maintenance Manual # 509252 Rev R

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