Safety Recommendations - Carrier 80AW9025 Installation Manual

Maintenance
Error
Item
code
53 TWB2
54 Room Sensor
55 TW2
56 Pressure Switch
57 Safety input
58 TW1
60 EEProm corrupt EEProm is corrupt Entire system stops
Communication
61
Master - Slave
System
63
configuration
66 Zone control
See hydronic module documentation for other diagnostics.

Safety recommendations

See hydronic module documentation and Safety
information manual.
14 80AW9025
Failure when
2 zone kit fault codes
TWB2 temperature is not available.
Value out of
Temperature control precision
range
decreases
Value out of
range + code Room temperature is not available.
105.0=2 or Related functions are not available.
105.1=2
Value out of
In zone 2:
range + code
3 way valve is close
109.0=0
Pressure is too Turn OFF Water Pump1 & Pump 2.
low Zone Valves full Close.
In corresponding zone:
SAFETY Z1
input is active or - water pump is OFF
SAFETY Z2 input
- 3 way valve is close
is active (or both)
- room Priority is set to 0
Value out of In zone 1:
range 3 way valve is close
Communication
lost + Code Entire system stops
100=2
code 100=1
+ Entire system stops
code 103=2
Code 100=2 +
code 105.0=2 + Entire system stops
code 105.1=2
Consequences Diagnostics and solutions
Check sensor, wiring and electrical
connections
Check sensor, wiring and electrical
connections.
Check setting of code 105.
Check sensor, wiring and electrical
connections.
Check code 109 setting.
Pressure is too low.
Check for water leaks; add water to
the circuit.
Check floor heating thermal cut off if
connected.
If reset is needed, press the red
button and check climatic curve
settings (codes 133 to 144).
Check code 106.7 setting.
Check sensor, wiring and electrical
connections
Check settings of codes 100, 103,
105,106, 107.
If settings are correct, contact
service.
Check wiring and connections
Check settings of codes 100 and 103.
Check settings of codes 100 and 105