Allmand Brothers MB 6200 - Manual (Page 57)

57
PV array panels
not set up
properly. Follow setup procedure
for PV array panels.
PV Array
Regulator not
functioning
properly. Sign message requires
more power than PV
array can provide under
existing operating
conditions.
Power, cont.
Batteries do not stay
charged, contd. PV array not
functioning. Check that the PV
Array Regulator LEDs
are functioning
properly. See figure 4
for location.
NOTE: It may take up
to five minutes for the
PV array regulator to
begin operation after
reconnecting to the PV
array. Allow this
amount of time before
making any
measurements.
Check that PV array is
producing electrical
power. Disconnect
array from control
cabinet and measure
approximately +17 Vdc
If there is sunlight, in
addition to the above
voltage, there should
also be some current
flow as indicated by
ammeter.
Hand-Held
Terminal
Display blank. HHT in Sleep
mode. Press a key on the
HHT.
No Power. Turn MAIN POWER
switch to ON position.
System Element Problem Probable Cause Corrective Action