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6 .1 .1
Lockout errors
If an error is a "Lockout" error, it is necessary to press "RESET" button (after eliminating the reason for the failure) to restart the boiler.
In the following table the "Lockout" errors are listed:
Error
"Ignit Error"
"Gv Relay Error"
"Gv Relay Not Open"
"Gv Relay Not Close"
"Safety Relay Error"
"Safety Relay Open"
"Safety Relay Closed"
"Blocking Too Long Error"
"Fan Error"
"Ram Error"
"Wrong E2prom Signature"
"X Ram Error"
"E2Prom Error"
"E2Prom Error C"
"E2Prom Error Cal Table"
"State Error"
"Rom Error"
"Rom Error C"
"Air Sw Not Open"
"15Ms Xrl Error"
"Air Sw Not Closed"
"Max. Thermostat Lock Error"
"Stack Error"
"Flame Out Too Late Error"
"Flame Error 1"
"20Ms Xrl Error"
"41Ms Error"
Tab. 15 Lockout codes
SSB
Int . nr .
Description
Three unsuccessful ignition attempts in
1
a row
Failure detected in the GV (gas valve)
2
Relay
Failure detected in the GV (gas valve)
3
Relay
Failure detected in the GV (gas valve)
4
Relay
5
Failure detected in the Safety Relay
6
Failure detected in the Safety Relay
7
Failure detected in the Safety Relay
Control had a blocking error for more
11
than 20 hours in a row
12
Fan MF deviation for more than 60 sec
13
Internal software error
14
Contents of E2prom is not up-to-date
15
Internal software error
16
No communication with E2prom
17
Wrong safety parameters in E2prom
18
Wrong calibtration table parameters
19
Internal software error
20
Internal software error
21
Internal software error
22
Air pressure switch not working
23
Internal software error
24
Air pressure switch not working
The external overheat protection is
25
activated
26
Internal error
Flame still present 10 sec. after closing
27
the gas valve
28
Flame is detected before ignition
29
Internal software error
30
Internal software error
Checks
incorrect, it must be adjusted to the
a- Check gas supply
b- If spark is not present check for
pressure;
correct ignition electrode position;
b- Check ignition spark
c- If the combustion air pressure is
c- Correct amount of gas;
incorrect, inspect the vent system
d-Check for120VAC at the
gas valve;
d- If the voltage to the gas valve is
not 120Vac the power control board
a- If wires are damaged, replace
a- Check the integrity of the
wire connections between
b- If wires are ok, replace the gas
gas valve and control board.
valve or the power control board.
a- If wires are damaged, replace
a- Check the integrity of the
wire connections between
b- If wires are ok, replace the gas
gas valve and control board.
valve or the power control board.
a- If wires are damaged, replace
a- Check the integrity of the
wire connections between
b- If wires are ok, replace the gas
gas valve and control board.
valve or the power control board.
Replace the power control board
Replace the power control board
Replace the power control board
Press RESET button to
Remove the cause of the Blocking
display the Blocking error
description
a- If no 120 VAC voltage is present,
a- Check for 120 Vac power
replace the power control board.
connection of the fan.
b- Check PWM connection of
the fan.
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
Replace the power control board
a- Check the pump to verify
the flow circulation
a- Change the pump or restart it
b- Check if the valves on
b- Open the valves on hydraulic
hydraulic circuit are open
c- Check the high limit switch
d- To reset - see "Fig. 10",
section 4.4.3
Replace the power control board
Replace the power control board
Replace the power control board
Troubleshooting | 41
Solutions
a- If the gas supply pressure is
correct pressure;
and eliminate any obstructions;
must be replaced.
them
them;
them;
error
b- If no PWM signal is present,
replace power control board.
c- Replace the fan
circuit
c- Change the high limit switch
Replace the gas valve
Replace the gas valve
6720818456 (2018/06) US
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