Amana AVZC18 Series User Manual

SERVICING
60
EE
No display (EE
display is EMG
mode)
INTERNAL FAULT
• No power supply to ID blower / no
24 volt power to PCB
• Blown fuse or circuit breaker
• PCB has an internal fault
• Manual disconnect switch OFF • No power supply to ID blower / no 24 volt power to PCB • Blown fuse or faulty circuit breaker • Control board has internal fault
• Assure 208/230 volt and 24 volt power to blower and control board. • Check fuse F2U on control board • Check for possible short in 208/230 volt and 24 volt circuits. Repair as necessary. • Replace the control board.
Eb E_Eb No Display
Selecting "no heater kit" and
receiving electric heat demand
• No heater kit selected
• Select the valid heater kit on thermostat • Valid dip switch selection (heater kit selection out of range of the unit configuration)
Ed E_Ed
Check Heater Kit Dip
Switches
(CHECK HTR DIPSW)
Heater Kit dip switches not set
properly
• Invalid heater kit selected • Set correct dip switches
E5 E_E5 BLOWN FUSE Fuse Open
• Fuse (F1U) is blown • Connector TB10 is open
• Replace fuse • Check wiring to AUX alarm, heater kit, communication connection. • Replace the control board
EF E_EF
Auxiliary Contacts
Open (AUX ALARM
FAULT)
Auxiliary Switch Open
• High water level in the evaporation coil • The connected alarm device is activated • Auxiliary Alarm terminals (TB4, TB5) are open
• Check water level in drain pan • Check alarm device. • Close Auxiliary terminals TB4 and TB5 if not used
d0 E_d0
Data Not Yet On
Network (NO NET
DATA)
Data not on Network • No shared data on the network • Populate shared data set using memory card.
d1 E_d1
Invalid Data On
Network (INVALID
DATA)
Invalid Data on Network • Wrong shared data on the network • Populate shared data set using memory card.
d4 E_d4
Invalid Memory Card
data (INVALID MC
DATA)
Invalid Memory Card Data • Wrong memory card data
• Replace circuit board • Rewrite data using the correct memory card
b0 E_b0
Blower Motor Not
Running
(MOTOR NOT RUN)
Blower Motor not running
• Fan/motor obstruction • Power interruption (low voltage) • Incorrect / loose wiring
• Check for obstruction on the fan/motor • Verify the input voltage at the motor • Check wiring or tighten wiring connections if needed • Replace circuit board or motor
b1 E_b1
Blower Communication
Error
(MOTOR COMM)
Blower Motor Communication error
• Incorrect / loose wiring • Power interruption (low voltage)
• Check wiring or tighten wiring connections if needed • Verify the input voltage at the motor • Replace circuit board or motor
b2 E_b2
Blower Motor HP
Mismatch
(MOTOR MISMATCH)
Blower Motor HP Mismatch
• Incorrect size motor • Invalid shared data
• Correct motor installation • Populate shared data set using memory card.
b3 E_b3 No Display
Blower Motor operating in Power,
Temp or Speed Limiting conditions
• Fan/motor obstruction or blocked filters •
Power interruption (low voltage)
• Incorrect wiring • Blockage in the airflow (ductwork) or ductwork undersized
• Check for obstruction on the fan/motor/ductwork, clean filters • Verify the input voltage at the motor • Check wiring • Replace motor
Corrective Actions
Error
Code
Description Possible CausesClimateTalk MessagePCB LED Display
INDOOR UNIT ERROR CODES

Amana AVZC18 Series Specifications

General

Brand	Amana
Model	AVZC18 Series
Category	Heat Pump
Language	English