Miller Electric Spectrum 1250R - Manual (Page 31)

OM-217 Page 27
Trouble Remedy
Temperature Trouble light on; Ready
light off. Thermostat TP1 and/or TP2 open (overheating). Allow fan to run; the thermostat closes when the unit has
cooled (see Section 3-2).
Have Factory Authorized Service Agent check timer/control board PC1.
No high gas/air flow (cutting air), or de-
creased cutting ability. Check for sufficient gas/air supply pressure and correct gas/air pressure adjustment (see Section 4-1).
Have Factory Authorized Service Agent check reed switch RS1, high air solenoid AS2, and air circuitry.
Fan motor FM does not run; Power light
and Ready light both on. Check fan motor connections.
Trouble lights not working. Have Factory Authorized Service Agent check indicator board PC3 and timer/control board PC1.
Power light on; Trouble lights on; cutting
output available. Have Factory Authorized Service Agent check timer/control board PC1.