Operator`s manual
164201257 C0
Page 22 6/13/2003
Preliminary
Lectro CPR
®
Operator’s Manual
2.4 Troubleshooting
Table 2.4-1: Troubleshooting guide
Symptom Possible Cause What To Do
No AC output to coax cable
Utility failure
External input breaker open or tripped
AC power cord loose/unplugged
Utility voltage or frequency (or generator out-
put) is out of range. AC input to power supply
must be within the following limits:
Voltage: 96V to 156 V (or 192V-276V for
240V nominal units, or 161V-299V for 230V
nominal units, or154V-286V for 220V nominal
units) RMS
Frequency: 57 to 63 Hz
AC output harness is disconnected or loose
Notify local Power Co..
Re-close breaker. Verify
breaker is HIGH MAGNETIC
type.
Re-insert plug into receptacle.
Measure the AC source volt-
age and frequency. If out of
limits, notify Power Co. or, if a
generator is used, either adjust
its output, or select a larger
generator.
Verify all connections from the
AC output (green and yellow)
connector to the coax fitting.
Inverter does not run, or
module does not transfer
to “standby” either during
a power failure or an “in-
verter test”
Inverter failure
Battery breaker open
Battery too weak to support inverter. Front
panel “battery” LED should be illuminated.
If the “Battery” LED is “off” on
the front panel, then the in-
verter may have failed, and the
CPR module should be re-
placed.
Close battery breaker on front
panel.
Test Batteries with a load
tester. Replace any that fail the
test.
CPR module fails to trans-
fer from “standby” back to
“normal” mode after a util-
ity outage
Utility (or generator) out of limits on voltage or
frequency. See “No AC output” above.
External input breaker open or tripped
Input Relay Failure
Measure the AC source volt-
age and frequency. If out of
limits, notify Power Co. or, if a
generator is used, either adjust
its output, or select a larger
generator.
Re-close breaker. Verify
breaker is HIGH MAGNETIC
type.
Replace CPR module.










