Carrier 80AWX Manuel D'installation page 31

Error
Item
code
Temperature/humidity sensor
2
of user interface in zone 1
3 TWB
4 TC
Domestic hot water
5
temperature sensor
Communication with user
6 interface (conneted to W-C-
G-Y terminal blocks)
Communication with
additional user interface
7
(connected to Rc-Rh-G2-Y2
terminal blocks) in zone 1
8 Flowswitch
9 Flowswitch
10 EEProm
Communication
11
Master - Slave
Communication with
additional user interface
12
(connected to Rc-Rh-G2-Y2
terminal blocks) in zone 2
13 System configuration
14 HV Communication with CDU Communication lost
15 LWT
16 Zone control
32 Reversing Valve Error
34 EH temperature warning
LOW domestic hot water
*
temperature warning
35 Disinfection not succesful
36 Configuration Mismatch
Temperature/humidity sensor
37
of user interface in zone 2
Failure when
Hydronic module fault codes
Value out of range
Room temperature/humidity is not available.
+
Related functions are not available.
Code 105.0 = 1 or 4
Value out of range Backup heaters are OFF
Outdoor unit stops
Value out of range
Domestic water valve OFF if code 127=1
Value out of range
Booster heater OFF
+
Disinfection function not performed
Code 133 = 1 or 2
No communication between unit and interface.
Room temperature and humidity are not
Communication lost
available if code 105.0 = 1 or 4 or
Unit runs with values stored in memory.
No communication between unit and interface.
Communication lost
Room temperature and humidity are not
+
available in zone 1.
Code 105.0 = 1
Unit runs with values stored in memory.
Water pump is OFF. Outdoor unit, backup heaters, domestic water
Flowswitch detects flow valve, water pump: OFF
Water pump is ON. Outdoor unit, backup heaters, domestic water
Flowswitch detects no flow. valve, water pump: OFF
EEProm is corrupt Entire system stops
Communication lost +
Entire system stops
Code 100 = 2
No communication between unit and interface.
Communication lost
Room temperature and humidity are not
+
available in zone 2.
Code 105.1 = 1
Unit runs with values stored in memory.
Code 100 = 1
+1
Entire system stops
Communication with slave
board is detected .
Outdoor unit stops
Domestic water valve OFF if code 127 = 1
Outdoor unit stops
Value out of range
Domestic water valve OFF if code 127 = 1
Code 100 = 1 + Code 105.0
= 2 or
Code 100 = 2 + Code 105.0 = 2
Entire system stops
+ Code 105.1 = 2 or Code 100
= 2 + Code 105.0 = 4 + Code
105.1 = 4
Refrigerent liquid and expansion
Outdoor unit stops
temperature are not consistent
Domestic water valve OFF if code 127 = 1
with the CDU operating mode
Backup heater is active
+
No effect on system operation
TWB does not increase by 1 °C
every 30 min
Code 133 = 1 or 2 +
Domestic hot water priority = 1 +
Domestic water tank electric heater icon (
Booster heater schedule OFF +
will flash on the user interface screen
code 1.5 = 0
Code 133 = 1 or 2 +
Disinfection cycle not
Domestic hot water is not produced
completed within time defined
(unless code 1.3 = 1 or the diagnostics is
by code 143 or
removed cycling power).
Disinfection cycle not performed
due to error 5.
Outdoor unit should run in cool
mode + Code 106.5 = 0 or Entire system stops
Unit is heat only (80AWH)
Value out of range + Room temperature/humidity is not available.
Code 105.1 = 1 or 4 Related functions are not available.
Outdoor unit fault codes
Consequences
Check user interface wiring and electrical
connections.
Check sensor, wiring and electrical connections.
Check sensor, wiring and electrical connections.
Check sensor, wiring and electrical connections.
Check wiring and connections.
105.1 = 1 or 4.
Check wiring and connections.
Check setting of code 107.1
Check flowswitch.
Check setting of code 107.0.
Check flowswitch, wiring and electrical
connections.
Check floor heating thermal cut off if connected.
If reset is needed, press the red button and check
climatic curve settings (codes 112 to 118).
Check settings of codes 100, 103, 105, 106, 107.
If settings are correct, contact service.
Check wiring and connections.
Check user interface wiring and electrical
connections.
2-zone kit is installed.
Set code 100 = 2
Check sensor, wiring and electrical connections.
Change setting of code 105.
Check reversing valve operations.
Check refrigerant liquid and expansion
temperature sensors.
Cycle power to clear the error.
Check backup heater operation, wiring and
electrical connections.
Domestic hot water temperature is cold and
schedule prevents booster heater activation.
)
User can activate booster heater by setting code
1.5 = 1 (termporary activation) or by enabling it in
the schedule.
Check code 140 to 144.
Check booster heater operation.
Check booster heater wiring and electrical
connections.
If code 127 = 2 check backup heater operation.
Check domestic hot water temperature sensor,
wiring and electrical connections.
Modify setting of code 106.5.
Modify requested mode.
Check user interface wiring and electrical
connections.
Diagnostics and solutions
31