J-200
D.  Sensor Related Messages
1.   
Sensor Balance is Poor - M015: The temperature sensors may be 
out of sync by or 3°F (1.5°C). Call for Service.
2.   
Sensor Balance is Poor - M026: The temperature sensors are out of 
sync. The Sensor Balance is Poor fault has been established for at 
least 1 hour. Call for Service. The message can be reset by pressing 
any button.
3.   
 
Sensor Failure - Sensor A: M031, Sensor B: M028: A temperature 
sensor or sensor circuit has failed. Call for Service.
E.  Miscellaneous Messages
1.   
No Communications: The control panel is not receiving 
communication from the system. Call for Service.
2.   
°F or °C is replace by °T: The Control System is in Test Mode. Call 
for Service.
F.  System Related Messages
1.   
Memory Failure - Checksum Error - M022: At power up, the system 
has failed the Program Checksum test. This indicates a problem with 
the rmware (operation program) and requires a service call.
2.   
Memory Warning - Persistent Memory Reset - M021: Appears 
after any system setup change. Contact your dealer or service 
organization if this message appears on more than one power up or 
it if appears after the system has been running normally for a period 
of time.
3.   
Conguration Error - Spa will not Start up: Contact your dealer or 
service organization.
4.   
GFCI Failure - System Could Not Test/Trip the GFCI - M036: NORTH 
AMERICA ONLY. May indicate an unsafe installation. Contact your 
dealer or service organization.
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