Horizon Fitness E51 Service Manual page 35

Power Supply Voltage Check (Programmable
Resistance)
16.5
With the power supply plugged in to the wall, place the positive lead of
your multimeter into the power supply jack and the negative lead on the
outside of the power supply jack. The voltage of the power supply
should be between 7.5-11.5 volts DC (CSE3, 3.1E), 10-12 volts DC
(4.1E only), 14.5– 16.5 volts DC (E52, E53, E54, E6050).
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