Technogym spin trainer Maintenance Manual page 23

SPIN TRAINER: Service & Maintenance Manual - rev. 2.0
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(1) Disconnect connector CN1 from the power supply. Place the tester probes on pins 4 and 6 of
the connector. The measured voltage should be approximately 220 VAC or 110 VAC
depending on the mains electricity supply.
A
Are DC output voltages of the
power supply correct?
YES
Do all DC voltages reach the
display?
NO
Do all DC voltages reach the
alternator interface board
YES
Are all DC voltages present on
the output of the alternator
interface board?
YES
Replace cable SP-1
connecting the
alternator interface
board to the display
3
NO
Replace the power
supply: see paragraph
7.10.
4
YES
Replace the CPU
board: see paragraph
7.4.
5
Replace cable BK-6
NO
connecting the power
supply to the alternator
interface board
6
NO
Replace the alternator
interface board: see
paragraph 7.10.
Page 6.3