Smart LT Manual
Dynatronix, Inc.
198-0853-02 Rev F
Page 123 of 126
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The model type in the LT controller
EEPROM has not been set (Model
Type = 0xFF)
Cycle power. If fault continues
report to Dynatronix, Inc.
YES
NO
72
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Fan circuit drawing more current than
expected. Possible locked rotor
condition.
Check the fan for proper
operation. Make sure the fan
blades turn freely.
NO
YES
73
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Over temperature sensor indicates a
temperature greater than 70C. The
over temperature lamp blinks on and
off. The temperature sensor reading
is alternately displayed with the
normal display.
Change to standby mode (leave
the power on so the fan
continues to run) as soon as
possible. The fault will clear
when the unit cools down to 65C.
Check the fan intake and output
to ensure proper air flow.
NO
YES
74
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Over temperature sensor indicates a
temperature greater than 75 C. The
over temperature lamp is on steady.
The temperature sensor reading is
alternately displayed with the normal
display.
The unit will automatically
change to standby mode to avoid
damage. Leave the unit running
so the fan can cool it down. The
fault will clear when the unit
cools down to 65C. Check the
fan intake and output for proper
air flow.
YES
YES