Amana AVZC18 Series User Manual

SERVICING
56
2-Digit 7 Segment Displays
When the indoor unit is energized power supply, 2-digit 7
segment displays on indoor PCB show current status of state,
error code and air flow.
1. State shows current operation status of indoor unit
described in the right table.
2. Error codes shows current error indoor units have. To see the previous error code, please follow the instruction of fault recall. For
more information of error codes, please see the table of indoor unit Error Code.
3. Airflow shows estimated CFM of indoor unit. For example, if the CFM is 1240 CFM, 7 segment display shows “A…12…40…”
The contents indicated at 7 segment display vary from operation mode and status of indoor unit. In the event of showing some error
code, please follow the instruction in the table of indoor unit error code to solve error.
1. When the unit is running in normal mode, 2-digit 7 segment displays show state and airflow status.
2. When the unit is having some major error code in normal mode, 2-digit 7 segment displays keep showing error code.
7 Segment LED
Display (State)
(No Di splay) INTERNAL CONTROL FAULT/NO POWER
On
FC
FH
_F
H1
H2
dF
Hu
ELECTRIC HEAT LOW (Heat Demand, Back-up
Heat Demand)
ELECTRIC HEAT HIGH (Heat Demand, Back-up
Heat Demand)
HUMIDI TY RUNNING WITHOUT HEATING
(Humidificat on Demand)
Description of Condition
STANDBY, WAITING FOR INPUTS
FAN COOL-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN HEAT-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN ONLY (Fan Demand-Manual)
DEFROST COMMUNICATING MODE ONLY
7 Segment LED
Display (State)
(No Display) INTERNAL CONTROL FAULT/NO POWER
On
FC
FH
_F
H1
H2
dF
Hu
ELECTRIC HEAT LOW (Heat Demand, Back-up
Heat Demand)
ELECTRIC HEAT HIGH (Heat Demand, Back-up
Heat Demand)
HUMIDITY RUNNING WITHOUT HEATING
(Humidificat on Demand)
Description of Condition
STANDBY, WAITING FOR INPUTS
FAN COOL-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN HEAT-COMMUNICATING MODE ONLY
(Aux Heat Demand)
FAN ONLY (Fan Demand-Manual)
DEFROST COMMUNI CATI NG MODE ONLY
HIGH VOLTAGE!
To avoid personal injury or death due to
electrical shock, disconnect electrical
power before performing any service
or maintenance.

Amana AVZC18 Series Specifications

General

Brand	Amana
Model	AVZC18 Series
Category	Heat Pump
Language	English