EN
| User Manual
Identify and eliminate faults
44
BSP-MT
1-8/D3
Identify and eliminate faults
The following table provides information on what designatory abbreviations are to be used for
the various components. These designations are also found in the technical documentation.
Used abbreviation
Component
PDI
Differential pressure gauge (only BSP-MT 6–8 )
V1–V2 (Y2–Y1)
Main valves (solenoid valves)
V3–V4 (Y3–Y4)
Expansion valves (solenoid valves)
RV1–RV2
Check valves
Summary of faults
There are different fault types. In the case of most electrically caused faults (e.g. short circuit,
defective fuse, etc.) the expansion valve closes and the regeneration is interrupted. In the
case of some process faults, the dryer will continue to operate for some time. Other faults on
the dryer become noticeable e.g. due to unusual noises and ran pressures.
The following table shows who is allowed to remedy a fault: the owner’s specialist personnel
or the manufacturer’s service engineer.
Table of possible faults
Fault
Possible cause
Remedy
Specialised
personnel
Service
technician
No pressure build-up
The compressed pressure
system upstream from the
dryer is not pressurised.
Check whether the com-
pressed pressure system
upstream from the dryer is
pressurised. Eliminate any
faults in the compressed air
system.
•
Excessive compressed
air consumption
Leakage
Check condensate trap at
the upstream fi lter; clean, if
necessary.
•
•
