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Table 15 — Complete C Control LED Code and
Fault Descriptions
LEGEND
Table 16 — Aquazone™ Deluxe D Control Current LED Status and Alarm Relay Operations
LEGEND
NOTES:
1. If there is no fault in memory, the Fault LED will flash code 1.
2. Codes will be displayed with a 10-second Fault LED pause.
3. Slow flash is 1 flash every 2 seconds.
4. Fast flash is 2 flashes every 1 second.
5. EXAMPLE: “Flashing Code 2
”
is represented by 2 fast flashes fol-
lowed by a 10-second pause. This sequence will repeat continually
until the fault is cleared.
SERVICE
Perform the procedures outlined below periodically, as
indicated.
LED
CODE
FAULT
DESCRIPTION
1
No fault in memory
There has been no fault since the last power-down to power-up sequence
2
High-Pressure Switch
HP open instantly
3
Low-Pressure Switch
LP open for 30 continuous seconds before or during a call (bypassed for first 60 seconds)
4
Freeze Protection Coax — FP1
FP1 below Temp limit for 30 continuous seconds (bypassed for first 60 seconds of operation)
5
Freeze Protection Air Coil — FP2
FP2 below Temp limit for 30 continuous seconds (bypassed for first 60 seconds of operation)
6
Condensate overflow
Sense overflow (grounded) for 30 continuous seconds
7
(Autoreset)
Over/Under Voltage Shutdown
"R" power supply is <19VAC or >30VAC
8
PM Warning
Performance Monitor Warning has occurred.
9
FP1 and FP2 Thermistors are swapped
FP1 temperature is higher than FP2 in heating/test mode, or FP2 temperature is higher than FP1 in cooling/
test mode.
FP
—
Freeze Protection
HP
—
High Pressure
LED —
Light-Emitting Diode
LP
—
Low Pressure
PM
—
Performance Monitor
DESCRIPTION
STATUS LED
(Green)
TEST LED
(Yellow)
FAULT LED (Red)
ALARM RELAY
Normal Mode
On
Off
Flash Last Fault Code in Memory
Open
Normal Mode with PM
On
Off
Flashing Code 8
Cycle (closed 5 sec,
open 25 sec, …)
Deluxe D Control is
non-functional
Off
Off
Off
Open
Test Mode
—
On
Flash Last Fault Code in Memory
Cycling Appropriate Code
Night Setback
Flashing Code 2
—
Flash Last Fault Code in Memory
—
ESD
Flashing Code 3
—
Flash Last Fault Code in Memory
—
Invalid T-stat Inputs
Flashing Code 4
—
Flash Last Fault Code in Memory
—
No Fault in Memory
On
Off
Flashing Code 1
Open
HP Fault
Slow Flash
Off
Flashing Code 2
Open
LP Fault
Slow Flash
Off
Flashing Code 3
Open
FP1 Fault
Slow Flash
Off
Flashing Code 4
Open
FP2 Fault
Slow Flash
Off
Flashing Code 5
Open
CO Fault
Slow Flash
Off
Flashing Code 6
Open
Over/Under Voltage
Slow Flash
Off
Flashing Code 7
Open (closed after 15 minutes)
HP Lockout
Fast Flash
Off
Flashing Code 2
Closed
LP Lockout
Fast Flash
Off
Flashing Code 3
Closed
FP1 Lockout
Fast Flash
Off
Flashing Code 4
Closed
FP2 Lockout
Fast Flash
Off
Flashing Code 5
Closed
CO Lockout
Fast Flash
Off
Flashing Code 6
Closed
CO
—
Condensate Overflow
ESD —
Emergency Shutdown
FP
—
Freeze Protection
HP
—
High Pressure
LP
—
Low Pressure
PM
—
Performance Monitor
IMPORTANT: When a compressor is removed from this
unit, system refrigerant circuit oil will remain in the com-
pressor. To avoid leakage of compressor oil, the refrigerant
lines of the compressor must be sealed after it is removed.
IMPORTANT: All refrigerant discharged from this unit
must be recovered without exception. Technicians must fol-
low industry accepted guidelines and all local, state and fed-
eral statutes for the recovery and disposal of refrigerants.
IMPORTANT: To avoid the release of refrigerant into the
atmosphere, the refrigerant circuit of this unit must only be
serviced by technicians which meet local, state and federal
proficiency requirements.
IMPORTANT: To prevent injury or death due to electrical
shock or contact with moving parts, open unit disconnect
switch before servicing unit.
Summary of Contents for AQUAZONE 50HQP072
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