HITACHI ED-X20EF
Instrukcja Serwisowa

ED-X20EF (M1-20ED)

6-12 Related Messages
When the unit�s power is on, messages such as those shown below may be displayed. When any such message is displayed on the screen, please respond as described below. Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on.
Message NO INPUT IS DETECTED *** Description There is no input signal. Please con�rm the signal input connection, and the status of the signal source.

SYNC IS OUT OF RANGE The horizontal or vertical frequency of the inputted signal is outside of the *** response parameters of this unit. fH *****kHz fV *****Hz Please con�rm the specs for this unit or the signal source specs. The internal portion temperature is rising. Please turn the power OFF, and allow the unit to cool down at least 20 minutes. After having con�rmed the following items, please turn the power ON again. � Is there blockage of the air passage aperture? � Is the air �lter dirty? � Does the peripheral temperature exceed 35°C? If the same indication is displayed after the remedy, please set FAN SPEED of the SERVICE item in the OPTION menu to HIGH. A note of precaution when cleaning the air �lter. Please immediately turn the power OFF, and clean or change the air filter by referring to the �Air Filter� section of this manual. After you have cleaned or changed the air �lter, please be sure to reset the �lter timer.

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.

28