Troubleshooting - Hitachi ed-x22 User Manual

WARNING
Related messages
NO INPUT IS DETECTED
SYNC IS OUT OF RANGE
fH
CHECK THE AIR FLOW
REMINDER
*** HRS PASSED AFTER THE
LAST FILTER CHECK.
FILTER MAINTENANCE IS ESSENTIAL
TO REMOVE WARNING MESSAGE,
RESET FILTER TIMER.
SEE MANUAL FURTHER INFO.
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There is no input signal.
The horizontal or vertical frequency of the input signal
kHz fV Hz
The internal temperature is rising.
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Troubleshooting

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