MAINTENANCE WITH Q&A
Page 5-6
HUMIDITY TROUBLESHOOTING (Optional Equipment)
Table 3. Humidity Troubleshooting Procedures
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Humidity
not reaching
desired level
Steam Generator not functioning Replace, No water in Steam Generator
Heater Failed
Water is not connected to unit Check Float switch, water supply
Fill Soleniod valve
Connect water
Water ! ll solenoid not energized Check coil - replace if burned
Check solenoid circuit - repair circuit
Chamber fan not functioning Check fan circuit
Check fan blade for tightness on shaft
Humidity event not turned on in the F4
controller
Turn Event ON
Solid state sensor defective Replace
Demineralizer cartridge clogged
internally
Replace cartridge
Dirty humidity sensor Clean tip with alcohol. Dry chamber at
250.0°F/121.1°C for 10 minutes after cleaning
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