Microframe Corporation Series 160, Operating Manual, Page: 10 / 12

10
Microframe Corporation Series 160
Sys Sig In light OFF
5VDC light OFF but Sys Sig In
light is on.
Status Light Blinks
Any of the lights pulsate
Model 904 Keypad adaptor is not
connected to AC or is not turned
ON.
Bad or no cable or cable connection
from the Keypad to Booster.
Booster not connected to AC.
24v AC line fuse blown in Booster.
Note: The power fuse is located on
Rear Panel.
Shorted output cable.
Shorted Remote Display.
Normal Operation.
Turn ON Model 904.
Check cable and connections.
Connect Booster to 24 Volt adap-
tor and plug into AC line.
Replace fuse with 2.5 Amp fuse.
Check all cabling for "shorts."
Repair or replace cables.
Return defective Display to fac-
tory.
None required.
TROUBLESHOOTING CHART
SYMPTOM POSSIBLE CAUSE CURE