Operational Status Messages - Raypak 3450 Installation And Operation Manual

Troubleshooting
Before troubleshooting the system, ensure that:
• All mechanical and electrical connections are
secure and tight
• All system wiring is correct
The service display can be accessed by pressing and holding the UP and MENU buttons for 3+ seconds. The
service display does not affect operation of the unit which continues to operate in the background. When in
this mode, pressing the UP or DOWN buttons will toggle through the various information reported. Some items
(Fault History and Sensor Temperatures) have multiple values (press UP or DOWN buttons to scroll through the
additional information). The service display mode may be exited to return to the previous display be pressing
the UP and MENU buttons or it will automatically be exited if no button is pressed within 60 seconds.
The following operational status messages are displayed in Pool, Spa, and Remote operating modes.
Table G: Operational Status Messages
Message
Comp Start Delay Notification that the compressor is under a
3-minute delay before turning On. This can
be bypassed by pressing the UP and DOWN
buttons simultaneously.
Valve Chng Delay Notification that the 3-way valves are being
commanded to change positions Pool to Spa
or Spa to Pool.
WPS Closed 3-way valves not switched because water
pressure switch still closed.
Defrost Unit is performing a Defrost cycle.
Heating Unit is operating and running a heating
cycle.
Cooling Unit is operating and running a cooling
cycle.
External Heat The AUX Mode setting is set to EXTERNAL
HEAT meaning an external device (solar
heating system) is running 1st stage instead
of the heat pump.
Outside Lockout The compressor is not running because
the ambient temperature is too cold as
measured by the Ambient sensor.
No Demand Demand has been satisfied and the unit is
in standby.
Description
38
• Fuse is not blown (3A Automotive "ATO" type fuse
for 24VAC)
• That a system ground is properly connected to the
heater. Nuisance shutdowns are often caused by
a poor or erratic ground.
Recommended Troubleshooting
Nothing wrong – just notification as to why the unit is not currently
operating.
Nothing wrong – just notification as to why the unit is not currently
operating.
Check settings – pump operation Disabled?
Nothing wrong – just notification as to why the unit is not currently
operating.
N/A
N/A
Verify desired settings.
Verify Outside Lockout temperature setting.
Check Amb Temp sensor value in Installer sub-menu and replace
if value is inconsistent with ambient temperatures.
Disable this function in the Installer/Service sub-menu if Outside
Lockout is not desired.
N/A