
© 2021 Staheli West
146
Faults
Fault 1276: Water Purge Actuator Is Disconnected
Indicates the CANBUS heartbeat communication is offline.
Causes
Troubleshooting
Fixes
• Water purge actuator
disconnected.
• Connect water purge actuator.
• Blown fuse #8 (main fuse
block).
• Check fuse for blown
symptoms.
• Replace fuse #8 (5 amp).
• Wrong CAN address on the
water purge actuator.
• Change the address to 0, then re-address the actuator
(See Test 1008).
• Faulty wiring.
• Inspect the wiring for ground,
continuity, and proper voltage.
• Repair/Replace wiring.
Fault 1277: Water Purge Actuator Is Not Calibrated
Indicates the actuator has not been programmed by the factory.
Causes
Troubleshooting
Fixes
• Faulty water purge actuator.
• Replace water purge actuator.
Fault 1278: Blowdown Actuator Is Disconnected
Indicates the CANBUS heartbeat communication is offline.
Causes
Troubleshooting
Fixes
• Blowdown actuator
disconnected.
• Connect blowdown actuator.
• Blown fuse #10 (main fuse
block).
• Check fuse for blown
symptoms.
• Replace fuse #10 (5 amp).
• Wrong CAN address on the
blowdown actuator.
• Change the address to 0, then re-address the actuator
(See Test 1008).
• Faulty wiring.
• Inspect the wiring for ground,
continuity, and proper voltage.
• Repair/Replace wiring.
Fault 1279: Blowdown Actuator Is Not Calibrated
Indicates the actuator has not been programmed by the factory.
Causes
Troubleshooting
Fixes
• Faulty actuator.
• Replace actuator.
Fault 1280: Blowdown Actuator Stuck / Jammed
Indicates the internal encoder does not match the commanded actuator position.
Causes
Troubleshooting
Fixes
• Obstruction in valve.
• Remove obstruction.
• Faulty actuator.
• Replace actuator.
Summary of Contents for DewPoint 331
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