Balboa Water Group ML900 - Mach 1 Quick Reference Guide - Manual (Page 3)

The second filter cycle is automatically activated at 8:00 PM and
operates the pump until 10:00 PM. The filter 2 indicator icon
will light when filter 2 is running.
(The following is specific to EL2000 systems that are
programmed according to duration rather than time)
The first filter cycle (“day”) begins 6 minutes after the spa is
powered up. The second filter cycle (“night”) begins 12 hours
later. Filter duration is programmable for 1-12 hours (F1-F12).
The default filter time is 2 hours. To program, press “Warm” or
“Cool,” then “Jets 1.” Press “Warm” or “Cool” to select the filter
duration. Press “Jets 1” to select the number of filter cycles. The
display will show “dn” (both “day” and “night” cycles); “d” (day
cycle only); or “n” (“night” cycle only). Press “Warm” or “Cool”
to adjust, then press “Jets 1” to exit the programming mode. For
continuous filtration, use F12 and “dn.”
Note: Some EL2000 systems are capable of being programmed by
time rather than by duration (see Preset Filter Cycles section). On
EL2000 systems with duration programming only, the spa powers
up at 12:54, thus the first filter cycles begins 6 minutes later at
1:00. If you would like your spa to begin filtering at another time,
you may change the clock to align with your preferred filter time,
rather than the actual time of day.
Clean-up Cycle (optional)
When the pump or blower is turned on by a button press, a
clean-up cycle begins 30 minutes after the pump or blower is
turned off or times out. The pump and the ozone generator**
will run for one hour.
**Ozone (optional)
On most systems, the ozone generator (if installed) runs during
filter cycles (except when pump 1 is operating at high speed on a
non-circ system) and during clean-up cycles.
On some systems, the ozone generator operates whenever the
pump runs.
If your system is configured with the optional ozone suppress
feature, the ozone generator will turn off for 1 hour any time a
function button (Jets 1, Jets 2, Blower, etc.) is pressed.
Freeze Protection
If the temperature sensors detect a drop to 44°F (approximately
6.7
°C) within the heater, then the pump automatically activates to
provide freeze protection. The equipment stays on until 4 minutes
after the sensors detect that the spa temperature has risen to 45°F
(approximately 7.2
°C) or higher. In colder climates, an optional
additional freeze sensor may be added to protect against freeze
conditions that may not be sensed by the standard sensors. Aux
freeze sensor protection acts similarly except with the temperature
thresholds determined by the switch and without a 4-minute
delay in turnoff. See your dealer for details.
Locking the Panel
Press “Time” “Jets 1” then “Warm” within 3 seconds. When
locked, the PL indicator light will light. All buttons are frozen
except the “Time” button. To unlock the panel, press “Time”
“Jets 1” then “Cool.”
Locking the Set Temperature
Press “Warm” or “Cool” then “Time,” “Jets 1,” and “Warm” within
3 seconds to activate the lock. The TL indicator light will light
when the set temperature is locked.
To unlock the set temperature, press “Warm” or “Cool” then
“Time,” “Jets 1” and “Cool.”
Diagnostic Messages
Message Meaning
No message on display.
Power has been cut off to the spa.
“Overheat” - The spa has shut down.
One of the sensors has detected 118°F
(approximately 47.8
°C) at the heater.
“Overheat” - The spa has shut down.
One of the sensors has detected that
the spa water is 110°F (approximately
43.3
°C) .
“Ice” - Potential freeze condition
detected.
Spa is shut down. The sensor that is
plugged into the Sensor “A” jack is not
working.
Spa is shut down. The sensor that is
plugged into the Sensor “B” jack is not
working.
Sensors are out of balance. If displayed
by itself, it may just be a temporary
condition. If it also says “SERVICE
REQ’D,” spa is shut down.
A substantial difference between the
temperature sensors was detected. This
could indicate a flow problem.
Persistent low flow problems. (Occurs
on the third occurrence of the “HTR
FLOW LOW” message.) Heater is
shut down, but other spa functions
continue to run normally.
Action Required
The control panel will be disabled until power returns. Spa settings
and time of day will be preserved for 30 days with a battery backup
on EL8000 and EL5000 systems; settings only are preserved until the
next power-up on EL2000 systems.
DO NOT ENTER THE WATER. Remove the spa cover and allow
water to cool. Once the heater has cooled, reset by pushing any
button. If spa does not reset, shut off the power to the spa and call
your dealer or service organization.
DO NOT ENTER THE WATER. Remove the spa cover and allow
water to cool. At 107°F (approximately 41.7
°C), the spa should
automatically reset. If spa does not reset, shut off the power to the
spa and call your dealer or service organization.
No action required. The pumps and the blower will automatically
activate regardless of spa status.
If the problem persists, contact your dealer or service organization.
(May appear temporarily in an overheat situation and disappear
when the heater cools.)
If the problem persists, contact your dealer or service organization.
(May appear temporarily in an overheat situation and disappear
when the heater cools.)
If the problem persists, contact your dealer or service organization.
Check water level in spa. Refill if necessary. If the water level is
okay, make sure the pumps have been primed. If problem persists,
contact your dealer or service organization.
Follow action required for “HTR FLOW LOW” message.
Turn spa off then back on again to restore heating capability.