26206@aspen-apuhigh
DM1 Exhaust Press High Post Regen
refrigeration
Description
The DPF controller senses high post-regeneration backpressure, and the unit shuts down.
Activation Conditions
DPF controller senses a high post-regeneration backpressure.
Unit Behavior
Shutdown
Reset Conditions
DPF controller reads system backpressure of <130mbar after a regeneration. OR Alarm Reset
Corrective Actions
1. Visually inspect DPF filter. 2. Validate backpressure sensor 3. Remove snubber assembly and backpressure tube and clean.