Balboa Water Group ML900 - Mach 3 User Guide - Manual (Page 9)

Diagnostic Messages (continued)
Message Meaning
When your spa is first actuated, it
will go into Priming mode.
or Temperature unknown.
Temperature not current in
Economy or Sleep mode.
Standby Mode has been activated
by pressing a button combination
on the user panel.
pH is low.
pH is high.
Sanitizer is low.
Sanitizer is high.
The pump is on during Standby
Mode to assist in draining the spa.
Hardware failure.
Hardware failure.
Firmware install problem.
Configuration error. Spa cannot
start up.
Spa could not trip GFCI.
A pump appears to be stuck on,
causing the water temperature to
creep up, possibly to
hazardous levels.
A pump appears to have been
stuck on the last time spa
was powered.
Action Required
See the M-7 Installation Instruction Manual for complete
instructions on Power-up and Pump Priming. The
Priming mode will last for up to 4 minutes and then
the spa will begin to heat and maintain the water
temperature in the Standard mode.
After the pump has been running for 1 minute, the
temperature will be displayed.
In Economy or Sleep mode, the pump may be off for
hours outside a filter. If you wish to see the current spa
temperature, either switch to Standard mode or turn
Jets 1 on for at least 1 minute.
Press any button to leave Standby Mode and return to
normal operation.
Add pH increaser according to
manufacturer’s instructions.
Add pH reducer according to manufacturer’s instructions.
Add sanitizer according to manufacturer’s instructions.
Remove spa cover and allow sanitizer to dissipate.
Press “Jets 1” to turn off the pump when water has
drained (or power off the spa.)
Contact your dealer or service organization.
Contact your dealer or service organization if message
appears on more than one power up.
Contact your dealer or service organization if message
appears on more than one power up.
Contact your dealer or service organization.
Contact your dealer or service organization. Continued
operation may be unsafe.
POWER DOWN SPA IMMEDIATELY. DO NOT ENTER
THE WATER. Contact your dealer or service organization.
POWER DOWN SPA IMMEDIATELY. DO NOT ENTER
THE WATER. Contact your dealer or service organization.
Page 7
1 On some systems even when spa is shut down, some equipment may occasionally turn on to continue monitoring temperature or if
freeze protection is needed.