Autopilot Pool Pilot Digital Nano+ Owner's Manual page 52

Page 46
MESSAGE DISPLAYED
Normal Display
(Continued)
Temperature display shown or
not shown
Chlorine display
Blank display
PROBLEM
Cover is closed. 1.
"Cover closed" is
not displayed.
Chlorine production
too high.
2.
Cover is open.
"Cover closed" is
3.
displayed.
Normal operation if "Display temp." has been set to "Hide
Temperature is not
temperature" See section 7.6.7. "Display Temperature" on
shown on normal
display. page 24 for instructions on how to change.
Note: Temperature will always be visible in the "Test Pool
Pilot" menu.
Does not match other 1.
pool temperature
displays.
2.
3.
Chlorine locked at If the water temperature is 55°F (10°C) or colder the Pool
1%. Pilot
to 1% to avoid over-chlorination. Bacteria and algae
growth is greatly reduced at this temperature, so this
should not be a problem.
Cannot adjust 1.
chlorine production
above 20% and
"Cover closed" is
displayed. 2.
Chlorine % fluctuates The AutoPilot
from adjusted value. automatically increasing and reducing the chlorine
output as the temperature of the water fluctuates. It is
normal for the % output to increase as the water
temperature increases, and to decrease as the water
temperature decreases.
®
The Pool Pilot
1.
Display is blank.
2.
3.
4.
5.
TYPICAL SOLUTION
Confirm the installed Digital Nano/Nano+ model has
the Pool Cover Detection feature. If not, manually
reduce chlorine level when cover is closed. (The
cover detection option is only available on some
models. See Specifications in section 4.1 on page 8.)
Check external cover position switch for proper
operation.
Check cable/connections from the cover position
switch to the Digital Nano/Nano+.
Normal – This temperature may not match other pool
devices due to the sensor location (ie: may be after
heater). Disable "Display temp". See section 7.6.7. on
page 24.
The temperature display can be disabled in the
"Installer menu".
The temperature may be adjusted to match an
external thermometer. See "Calibrate Temperature"
on page 23.
®
has automatically turned the Chlorine output down
Normal operation if your pool cover is closed. The
Digital Nano/Nano+ will not allow the chlorine
production to go above 20%. This is to avoid over
chlorination.
If cover is open, then check the external dry contact
cover position switch & cable for proper operation.
®
unit has a patented process for
If the display is in bright sunlight, then shade the
display to read.
Verify external time clock has not turned off power to
Digital Nano/Nano+. (Temporarily override the time
clock, if desired, to check the Digital Nano/Nano+.)
Verify local shut off switch and/or main circuit breaker
for Digital Nano/Nano+ is turned on.
If power is provided to unit by an external control
device, verify power is provided to and from the
device.
Fuse may be blown. See "Fuse Location and Ratings"
on page 12 in Maintenance section for instructions.