
© 2021 Staheli West
154
Faults
Fault 1320: Bottom Steam Actuator Did Not Reach Commanded Position
Indicates the internal encoder does not match the commanded actuator position.
Causes
Troubleshooting
Fixes
• Obstruction in valve.
• Remove obstruction.
• Faulty actuator.
• Swap with compatible actuator
(See Test 1008).
• Replace actuator. Part #34242
Fault 1323: Feed Water Actuator Did Not Reach Commanded Position
Indicates the internal encoder does not match the commanded actuator position.
Causes
Troubleshooting
Fixes
• Obstruction in valve.
• Remove obstruction.
• Faulty actuator.
• Swap with compatible actuator
(See Test 1008).
• Replace actuator. Part #34242
Fault 1324: Louver Actuator Did Not Reach Commanded Position
Indicates the internal encoder does not match the commanded actuator position.
Causes
Troubleshooting
Fixes
• Obstruction in louver.
• Remove obstruction.
• Faulty actuator.
• Swap with compatible actuator
(See Test 1008).
• Replace actuator. Part #34279
Fault 1325: Steam Pressure & Boiler Water Temp Differential
Trips when the temperature differs from the steam pressure predicted temperature by 10% for 30
seconds, only if the steam pressure lies between 10.5 and 17 psi.
Causes
Troubleshooting
Fixes
• Faulty steam pressure sensor.
• Verify pressure in the boiler
using the manual gauge.
• Replace steam pressure sensor.
Part #33140
• Faulty boiler water temperature
sensor.
• Swap boiler water temperature
sensor with rear door
temperature sensor. (Drain boiler
first)
• Replace boiler water
temperature sensor. Part #32931
Summary of Contents for DewPoint 331
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