Amana PTC 073E Series Service Instructions Manual page 49

SERVICING
CODE
Freeze Protection Engaged. The room temperature
FP
measured by the wireless remote thermostat or indoor ambient
thermistor active sensor falls below 40°F.
Fd
Front Desk switch is closed. All outputs are switched off.
Un-Configured Service Board -
Eo
All operation held awaiting configuration
Emergency Hydronic Engaged. The EHH switch is closed.
EH
Compressor is switched off.
Load Shedding Engaged. The LS switch is closed.
LS
Compressor and Electric heat is switched off.
On
Control is configured to respond to a wired thermostat
Open Door Lockout
oP
(DS1 & DS2 open; wireless)
Window Switch Lockout -
nP
(LS & INN open)
Heat Sentinel -
hP
(WIAT > u3)
Un-Rented Status
Ur
(EHH & INN or wireless)
Indoor Am bient Thermistor reads outside the
range -20°F to 200°F & the wireless thermostat is not
communicating to the unit control or
F1
Indoor Am bient Thermistor (IAT) without a wireless remote
thermostat reads outside the range -20°F to 200°F.
F2
Wireless Remote Thermostat failure
Indoor Am bient Thermistor reads
F3
outside the range -20°F to 200°F
Indoor Coil Thermistor either above
F4
or below operating tolerances.
F5
Wireless Thermostat failure.
Indoor Discharge Thermistor either above
F6
or below operating tolerances.
Fb
Low Remote Battery Warning.
High Voltage Protection engaged.
H1
Power supply voltage is to high.
Brown Out Protection engaged.
br
Power was lost or voltage is low.
L6
Discharge Air Too Hot.
LC
Outdoor Coil Thermistor temperature high.
Indoor Air Recirculation. Large delta between thermostat and
C2
return.
Outdoor Coil temperature too high for outdoor ambient
C5
temperature.
STATUS
ERROR
DISPLAY
LIGHT
No Action required. This setting will disengage when the
Y N
Y N Open front desk switch to allow occupant unit operation.
Enter Configuration Menu and set "C3" to "C"
Y Y
for coolers with electric heat or "H" for heat pumps.
Open front emergency hydronic switch to allow occupant
Y N
Y N
No action if a wired thermostat is being used.
Y N
Y Y
Y Y
Unit will not condition space with door or window open.
No action required. This setting will disengage when
Y N
Y N Front Desk needs to set to Rented mode (if applicable).
Y Y
N N
Y N
N Y
N Y
N Y
N Y
Y N
N N
N Y
N Y
Clean Filter or Remove Air Blockage or Close
N Y
N Y
SUGGESTED ACTION
room tem perature rises above 43°F.
unit operation.
Open load shedding switch
to allow occupant unit operation.
Otherwise, see Configuration Settings.
Close Room Door.
Unit will not condition space with door open.
Close Room Door or Window.
the room temperature falls.
Replace black Indoor Ambient Thermistor or
Wireless Remote Thermostat.
Replace Wireless Thermostat.
Replace black Indoor Ambient Thermistor.
Replace Red Indoor Coil Therm istor .
Attempt to rebind Wireless Thermostat
or Replace Wireless Thermostat.
Replace Yellow Indoor
Discharge Thermistor.
Replace Batteries in Wireless Devices.
Check for incoming power at correct voltage.
Check for incoming power at correct voltage.
Clean Filter or Remove Air Blockage.
Clean Condenser Coils, Check Fan for
fault. Code will reset after cleaning.
Vent Door or Improve indoor to outdoor seal.
Check for Blocked Outdoor Air or Clean Coil.
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