Tech Service Bulletin No. A172/A199 – 016
Page 12 of 17
Enter SP Adjustments, page 16 (other SP adjustments). Go to adjustment 13 and change the data to 1.
This disables the Humidity Sensor. For more information, refer to the Service Manual page 4-17.
Enter SP Test Mode page 4, select Output Mode and enter output number 9, then select Start as illustrated
below:
Monitor the meter reading. Under normal conditions, the meter should indicate 1348 VDC. If the voltage is
not within this range, then adjust VR T1 on the High Voltage Supply Board T1/Pcc/BR. If adjusting VR T1
does not correct the output voltage, then replace the High Voltage Supply Board T1/Pcc/BR.
This is a
normal reading because this voltage is set at the factory using a High Voltage Probe. When a High Voltage
Probe is used and SP Adjustments page 5, 1C First Color is set to 1430 (default), then the actual output
voltage is 1430VDC.
Continued…
,QSXW#&KHFN
#2XWSXW#&KHFN
Input NO.00
Output NO.9
##6WRS
##6WDUW
Lower part of SP Screen
Ç
ÇÇ
Ç
Enter Output
Number 9
VR T1
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