18
VALVES
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Incorrect piping of control solenoid valves.
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Incorrect piping of inlet/outlet valves.
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Operation of the dryer with solenoid valves disconnected.
SERVICING
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Servicing of controller by untrained personnel (controller designed to be service free).
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Use of non-genuine parts or sensors.
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Servicing dryer whilst still connected to electrical power and compressed air.
INLET COMPRESSED AIR AND ELECTRICAL POWER SUPPLY
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Air supply going outside dryer limits (3 bar g (44 psi g) min/10.5 bar g (152 psi g) max).
I
NSTALLATION
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Installing the dryer out of doors.
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Operating the dryer with the shroud open.
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Running the dryer with excessive back pressure on the purge exhaust 350 m bar (5 psi).
