Riello Array AR 4000 User Manual

49
SHUTDOWN
49
APPENDIX
Error no. Error Description Checks Solutions
129 DHW_SHORTED DHW sensor shorted
a- Check the integrity of the
wire connections;
b- Check the DHW
temperature sensor.
a- If the wiring is damaged,
replace it;
b- Verify that the
temperature sensor has the
correct resistance values. If
values are incorrect sensor
must be replaced.
130 FLUE_SHORTED Flue sensor shorted
132 OUTDOOR_SHORTED Outdoor sensor shorted
a- Check the integrity of the
wire connections;
b- Check the Outdoor
temperature sensor.
a- If the wiring is damaged,
replace it;
b- Verify that the
temperature sensor has the
correct resistance values. If
values are incorrect sensor
must be replaced.
133 RESET_BUTTON_ERROR
Too many resets in a short
time period
135 T_EXCHANGE_BLOCK_ERROR
Exchange temperature
exceeded 90°C
141 T_SELECTION3_OPEN Selection 3 sensor open
142 T_OPTIONAL1_OPEN Optional 1 sensor open
143 T_OPTIONAL2_OPEN Optional 2 sensor open
144 T_AMBIENT_OPEN Ambient sensor open
145 T_CHIMNEY_CLOSED Chimney sensor shorted
155 FLUE_PRESSURE_ERROR Flue pressure switch is closed
a- Check ue for
obstructions. Clear if found.
b- Check ue pressure
to ensure ue has been
installed and sized properly.
c- Flue pressure switch
default to 2.2”wc.
a- Remove any obstructions
from the exhaust system;
b- Remove any obstruction
from condensate discharge
and conrm the condensate
can ow freely.
156 AIR_DAMPER_ERROR
Air Damper feedback is not
received when the relative
output is closed
162 FLUE_BLOCKED
Flue is blocked, demand
needs to be stopped with
fan at ignition speed, but no
error needed to be stored at
this time
163 LOWEXFLOW_PROTECTION
Flow is too low, demand
needs to be stopped with
fan at ignition speed, but no
error needed to be stored at
this time
a- Flow through the module
is below recommended rate.
b- Check to ensure module
pump is running.
c- Verify valves are open.
d- Possible air entrapment.
WARNINGS
Error no. Error Description Checks Solutions
200 CC_LOSS_COMMUNICATION
Cascade System: Leading
burner lost communication
with one of the depending
burners
a- Check wiring and
connections on individual
Modules.
b- Make sure both controllers
in the boiler are powered on.
c- Make sure Parameter 147
set to 2.
d- Check the position of the
S1 switches on the dependent
module to make sure it is off.

Riello Array AR 4000 Specifications

General

Brand	Riello
Model	Array AR 4000
Category	Boiler
Language	English