38
38
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
Heart rate erratic or
no heart rate function.
(
Hand Grips
)
Heart rate erratic or
no heart rate func-
tion. (
Telemetric chest
strap
)
User error.
Failed heart rate grips.
Failed heart rate receiver.
Failed upper board.
User error.
Electromagnetic interfer-
ence.
Failed telemetric chest
strap or polar receiver.
(
Reference Proper Heart
Rate Usage section.
)
(
Reference Proper Heart
Rate Usage section.
)
(
Reference Proper Heart
Rate Usage section.
)
(
Reference Proper Heart
Rate Usage section.
)
Check immediate area
for causes of interference
(
Florescent lighting,
electric dog fences,
large electric motors,
etc.
)
(
Reference Proper Heart
Rate Usage section.
)
If there is absolutely no
heart response, replace
heart rate grips.
If proper heart rate
instructions are followed
and heart rate continues
to be erratic, replace heart
rate receiver.
Replace upper board.
. (
Reference Upper
Board/Reed Switch Re-
placement
in Spare Parts
Replacement section.)
Remove interference from
vicinity of the unit.
Replace chest strap and/
or upper board. (
Refer-
ence Upper Board/Reed
Switch Replacement
in
Spare Parts Replacement
section.)
Heart Rate Troubleshooting
TROUBLESHOOTING
Summary of Contents for CST 3.5
Page 65: ...65 Notes...