Tucker GmbH, Mail / Post: Max-Eyth-Str.1, 35394 Gießen, Germany
which will
involve some power down/up cycles.
3. Broken connection from control board to the switch board in V-F
circuit. Check
control board JP1 pins 1,9 for one pair, 2, 10 for the
other.
4. If the input voltage measures to be correct and the switch boards
V-F signal can
not be calibrated replace the switch board.
5. If the V-F signal is in a range of (2314Hz and 4529Hz or 250V-
470V) and when
first powered up, you still get this error, replace
the control board.
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