Document #50193 Rev. E 01/30/02 P/N 50193:E
83
Troubleshoot Mode
5.3.2 AC Line
Pressing
A
, followed by
[ENTER/STORE]
, displays the AC input voltage as shown below. The AC ON indica-
tor will turn off when the AC line voltage drops below the Low Line threshold, and the trouble LED will turn on.
Following is a list of the AC line voltage range:
5.3.3 Battery
Pressing
B
, followed by
[ENTER/STORE]
, will display the Battery Voltage. Listed below are the critical battery
threshold conditions:
Note that voltage readings should be taken after allowing 48 hours to charge depleted batteries. If batteries do not
show normal readings, replace them.
IMPORTANT:
The battery charger will turn off when the battery voltage drops to 17.4 VDC or less (No Battery
condition). A battery with a higher voltage must be installed to turn the charger back on.
5.3.4 Telephone Lines
Pressing
C
for touchtone dialing or
D
for rotary dialing, followed by the
[ENTER/STORE]
key, causes seizure of
the Primary phone line, which in turn lights the red LED, signifying Primary phone line active. After a delay of
three seconds, the control panel goes off-hook to acquire a dial tone.
The control panel keypad may be used as a telephone touchpad for number dialing. Once the first digit is pressed,
the display will move the
C
or
D
character one position to the left, while placing the digit to be dialed on the far-
thest right display position. Continue to press the phone numbers to be dialed. Successive depressions of the
[ENTER/STORE]
key hangs up and picks up the phone (places the phone on or off the hook).
The secondary phone line may be tested by pressing the
E
key for touchtone dialing or the
F
key for rotary dialing
and then following the same procedure used for the primary phone line.
A handset may be temporarily connected across transformer T1 as illustrated in Figure 5-1. The handset, when
connected across T1, may be used only as an amplifier/speaker and telephone with the control panel used for num-
ber dialing.
Note that remote site upload or download is not possible while testing the phone lines in this portion of Trouble-
shoot Mode.
AC Line Voltage
Low Line
Normal
High Line
MS-5210UD:
102 VAC
115 VAC
132 VAC
MS-5210UDE:
204 VAC
220 VAC
264 VAC
Normal
Low Battery
No Battery
Battery Voltage:
27.6V
20.4V
<17.4V
FIGURE 5-1:
Handset/Speaker Connection
Both Primary and
Secondary Lines
