Riello Array AR 3000, Installation And Operation Manual

Page: 49 / 72

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 flue for
obstructions. Clear if found.
b- Check flue pressure
to ensure flue 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 confirm the condensate
can flow 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.