Installation, Tests, & Troubleshooting
12 Owner’s/Installation Manual for SMM
Troubleshooting
See Table 3-2 for troubleshooting problems, causes, and corrections.
Table 3-2. Troubleshooting
Problem Cause Correction
Load not powered; LED is OFF Circuit breaker disabled. Enable circuit breaker.
Load not powered; LED is OFF Utility main line circuit breaker (MLCB)
disabled and generator OFF.
Enable utility MLCB if utility is present or verify
generator operation if outage.
Load not powered; LED flashing
1 second interval
Generator power just applied to unit.
Utility power just applied to unit.
Generator was overloaded and shed
occurred.
Wait five minutes plus the priority time delay (see
Table 2-1) for unit to enable output.
Load not powered; LED flashing
3 second interval
This load overloaded the generator while
attempting recovery from a shed. It is in
a 30 minute lockout wait period.
Wait 30 minutes from lockout for unit to attempt to re-
apply load.
Review all loads enabled in household. Generator
may end up in another overload condition when this
load is enabled. Disable some loads to prevent
generator overload from recurring.
Load not powered; LED flashing
6 second interval
The lockout switch is enabled and the
unit is on generator power.
During installation, it was determined that this load
will be disabled during generator operation to prevent
generator overload. Contact IASD for details.
Load not powered while on
utility
Wiring or unstable frequency. Check wiring. See Setting Lockout for information
on unstable frequency.
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