MX 102 - MX110 User Guide
13
6. Troubleshooting guide
In the unlikely event that a problem occurs on the equipment, this troubleshooting guide can be used to identify the probable cause
and remedy.
Troubleshooting should only be attempted by competent personnel. All major repair, and calibration work should
be undertaken by a Parker domnick hunter trained, qualified and approved engineer.
Problem Possible cause Action Required
Poor dewpoint identified by water in the
downstream piping and equipment.
Dryer is operating outside of its sizing
criteria.
Check actual inlet parameters and
environmental conditions against the values
quoted at the time of sizing.
Bypass valve is open. Check bypass valve is fully closed.
Dryer has recently been started. Allow time for the system to "dry down"
The condensate is not being drained.
Check the condensate drain(s) for faults.
Check the drain hoses are free from kinks and
obstructions.
Ensure that the drain isolation valves are fully
open.
Regeneration column pressure > 350 mbar. Replace the exhaust silencers.
Timer malfunction.
Contact Parker domnick hunter approved
service agent.
Valve malfunction.
Contact Parker domnick hunter approved
service agent.
Desiccant is approaching the end of its
useful life.
Contact Parker domnick hunter approved
service agent.
High pressure drop resulting in low pressure
gauge readings or intermittent operation of the
downstream equipment.
The pre / after filtration is approaching the
end of its operational life.
Check and replace.
The dryer is being overflowed or is operating
at a reduced system pressure.
Check actual inlet conditions against the values
quoted at the time of sizing.
An isolation valve is partially closed. Check the position of all the isolation valves.
Pressure loss from the system.
Check the system for leaks.
Ensure that the drain cocks and pressure relief
valves are closed.
The dryer tripped due to power supply
interruption to the dryer.
Check that the dryer "POWER ON" indicator is
illuminated. If it is not check the isolator and
fuses.
The compressor tripped due to power supply
interruption to the compressor.
Check that the compressor "POWER ON"
indicator is illuminated. If it is not check the
isolator and fuses.
Isolation valve closed Check the position of the isolation valves.
Interruption of the air supply downstream
leading to a rapid loss of system pressure.
Compressor switched off. Check the compressor.
Fault shutdown event. Check the dryer fault indicators.
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