ACU-RITE DRO 200E - Manual (Page 37)

TROUBLESHOOTING
DRO 200E
33
To run the diagnostics:
• Press and hold the . key until the software version is displayed (i.e.
“V1.2.0”).
• Press the X key to continue.
Key Pad Test
As a key is held a “+” is displayed on the left side of the X-axis. When the key is
released the “+” will disappear. A count of the number of keys pressed will be dis-
played on the right side of the X-axis.
• Press any key, but X and observe the “+” to verify proper functioning.
• Press the X key to continue.
Display Test 1
All segments of the display are turned on. Carefully observe the display, checking
for any missing segments.
• Press the X key to continue.
Display Test 2
All decimal points on all displays are lit momentarily, then all “a” segments, then
all “b” segments. etc. This test allows you to look for segments that may have
shorted to those not in the same location as all of the others.
• Press the X key to continue.
Display Test 3
All segments of all 3 displays are lit one digit at a time starting from left to right.
This test allows you to look for digits that may have shorted together or for digits
that are not in the same location as all of the others.
• Press the X key to exit diagnostics and return to normal DRO functions.