Horizon Fitness CST 3.5, Service Manual, Page: 34 / 67

34
34
W
ARRANTY
SAFETY
INSTRUCTIONS
RECOMMENDED
TOOLS
MAINTENANCE
PROPER
HEART
RA
TE
USAGE
5-STEP
DIAGNOSIS
PROCESS
VOL
TAGE
CHECKS
AND
LED
DIAGNOSIS
WIRING
DIAGRAMS
AND
SCHEMA
TICS
ENGINEERING
MODE
TROUBLESHOOTING
SPARE
PARTS
REPLACEMENT
Symptom
Possible Cause Test Procedure
Repair
Console only displays
dashes in the display
window – Slot style key.
Console only displays
dashes in the display win-
dow – Magnet style key.
Safety key or reed switch
is positioned incorrectly or
safety key has failed.
Failed reed switch.
Safety key is positioned incor-
rectly or has failed.
Failed reed switch.
-Verify that the safety key
is in position and that it is
secure.
-Manually adjust the
position of the reed switch
trigger and/or the plastic
tab on the console shell.
( Reference Upper Board/
Reed Switch Replacement
in Spare Parts Replace-
ment section.)
-Short the switch connector
on the upper board by using
a flat blade screwdriver or by
placing a jumper switch on
the connector.
-Engage reed switch manu-
ally to ensure its function
-Remove safety key and
reapply.
-Test magnet.
Short the switch connector
on the upper board by using
a flat blade screwdriver or by
placing a jumper switch on
the connector.
-Replace safety key.
-If plastic tab is broken
replace console shell.
If the upper board still dis-
plays dashes then replace
upper board. Otherwise
replace reed switch. ( Refer-
ence Upper Board/ Reed
Switch Replacement in
Spare Parts Replacement
section.)
Replace safety key.
If the upper board still dis-
plays dashes then replace
upper board. Otherwise
replace reed switch. ( Refer-
ence Upper Board/ Reed
Switch Replacement in
Spare Parts Replacement
section.)
Safety Key/Reed Switch Troubleshooting
TROUBLESHOOTING