Troubleshooting - Hitachi CP-RX70 User Manual

WARNING
Related messages
NO INPUT IS DETECTED
SYNC IS OUT OF RANGE
fH kHz fV
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.
There is no input signal.
The horizontal or vertical frequency of the input signal
Hz
The internal temperature is rising.
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Troubleshooting

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