Fault Diagnostics - Lockouts - Riello MG569-BWZG Installation, Use And Maintenance Instructions

3.6.2

Fault diagnostics - lockouts

Fault description
Extraneous light (false flame signal)
Gas pressure switch not opening fault or contact open of
the electric air damper opener, after 2 minutes from the
heat request
Electrical power voltage fault
Electrical power frequency fault
Flame control voltage fault
Reset button / Remote reset fault
Lockout for no flame after Ts
Lockout for extraneous light signal or for parasite flame
Lockout for maximum number of cycle repetitions (flame
loss during operation)
Lockout due to loss of air pressure after the repetition of
the pre-purging that occurred due to a previous lack of air,
or 10 sec before the end of the pre-purging, or during the
safety time, or during normal operation
Lockout for fan motor error
Lockout for fault with the circuit within the 1st stage valve
control
Lockout for fault with the circuit within the 2nd stage valve
control
Lockout for eeprom error
Lockout due to air pressure switch not closing after a heat
request or after a recycle due to flame loss during opera-
tion
Lockout due to air pressure switch already switched to
closing of the heat request thermostat or after a recycle
due to flame loss during operation
Lockout for maximum number of cycle repetitions due to
gas pressure switch intervention during flame operation
Key to layout
ON
Electrical data and operating times
OFF Colour code
RED
ORANGE
GREEN
Reset button colour
GREEN, RED
blinking alternately
ORANGE
blinking inverted
ORANGE
slow blinking
ORANGE
ORANGE, GREEN
fast blinking alternately
GREEN, RED
fast blinking alternately
RED
RED
blink
RED
Fast blinking
RED
Blink
RED, ORANGE
blinking inverted
RED, GREEN
blinking inverted
RED
blinking inverted
ORANGE, GREEN
blinking alternately
RED, GREEN
slow blinking
RED, ORANGE
slow blinking
ORANGE
Tab. E
11 GB
Seconds Colour code
0.5 0.5
2.5 0.5
2.5 2.5
- -
0.2 0.2
0.2 0.2
- -
0.5 0.5
0.2 0.2
0.5 2.5
2.5 0.5
2.5 0.5
2.5 0.5
0.5 0.5
2.5 2.5
2.5 2.5
2.5 0.5
Tab. D
20142714