jotron TR-7750C - Page 82

Jotron AS| TR7750C: Operators Manual  ERROR CONDITIONS AND CORRECTIVE ACTIONS
Page 6-6
P/N: 84748 (pre_F)
12V
5V
3.3V
One of the voltage
readings is out of
range
High Current
Current
consumption is
above 500 mA
High
Temperature
Temperature
reading is above
+85°C
Power module
RX alarm
Action:
Replace -
RX unit (LRU)
Power module
(LRM).
Probable cause:
Failure on one or
more components
on the power
module.
Action:
Replace -
RX unit (LRU)
Power module,
Main module or RF
module (LRM).
Cause: Excessive
current
consumption in
one or more
modules.
Action:
Replace -
RX unit (LRU)
Power module,
Main module or RF
module (LRM)
Cause: Excessive
current
consumption or
defective voltage
regualtor.
Figure 6.2-1, Receiver Power module, errors and corrective actions