© 2016
CONTRIVE • B14
88|
QBK.
EN
0219
5
www.contrive.it
FAILURES
IGNITION OUTPUT FAILURE
IGNITION DEVICE OUTPUT REMAINS
INACTIVE.
PROGRAM ERROR
WRONG PROGRAM SEQUENCE.
UNSAFE OPERATION STOPPED.
FUEL VALVE OUTPUT FAILURE
1
ST
STAGE (PILOT) FUEL VALVE OUTPUT
REMAINS INACTIVE.
MEMORY ERROR
DATA CORRUPTION.
CONFIGURATION ERROR.
FUEL VALVE OUTPUT FAILURE
2
ND
STAGE (MAIN) FUEL VALVE OUTPUT
REMAINS INACTIVE.
TIMEBASE ERROR
MISMATCH BETWEEN 1
ST
AND 2
ND
INTERNAL
TIMEBASE GENERATORS.
PROCESS INPUTS FAILURE
UNRELIABLE OPERATI
ON OF PROCESS INPUTS
TERMINALS 14, 15, 16
, 17.
SYSTEM ERROR
MICROPROCESSOR IS NOT OPERATING
PROPERLY.
OUTPUT RELAYS FAILURE
1
SHORT CIRCUIT ON OUTPUT RELAY CONTACT
LOADS DISCONNECTED B
Y SAFETY RELAY.
FLAME INPUT FAILURE
FLAME SENSOR REVERSED POLARITY OR
UNRELIABLE
FLAME AMPLIFIER.
UNDERVOLTAGE
POWER SUPPLY VOLTAGE TOO LOW
SYSTEM REMAINS ACTIVE.
RESET FAILURE
PUSH BUTTON
OR REMOTE RESET ACTIVE
FOR LONG TIME (MORE THAN 10 SECONDS).
OVERVOLTAGE
POWER SUPPLY VOLTAGE TOO HIGH
FUSE INTENTIONALLY BROKEN AFTER 5”
.
MASTER SAFETY RELAY FAILURE
1
SHORT CIRCUIT ON SAFETY RELAY CONTACT.
OUTPUTS RELEASED.
1
A PREMANENT FAILURE TO THE RELAY CONTACT MAY CAUSE THE MAIN FUSE TO BLOWN, AS A SAFETY MEASURE TO
PREVENT DANGEROUS CONDITIONS. IN SUCH CASE THE UNIT MUST BE RETURNED TO FACTORY FOR SERVICING.
FLAME SIGNAL BARGRAPH
The flame signal strength detected by the sensor connected at terminal 10 is reported by means of 10 led bargaph.
Full scale, 100% is corresponding to a flame signal of 30 µA approx.
To improve readability, the amplifier provides similar signals for both electrodes and UV scanners.
One of the first four indicators blinks when flame is detected but the signal is below the sensitivity threshold set by
configuration
parameters 404 or 503
(1 to 9 µA). The last indicator (full scale) is turned on instead, when the flame is
detected by the independent main burner surveillance at INPUT 17
(configuration parameter 004
).
CONFIGURATION
The device is fully configurable thru the communication
interface, using the free software
Q!tool
and an interface
adapter like
TraxInterface
3
.
The unit must be in manual shutdown to enter confi-
guration environment: display shows a horizontal dash
while linked. Some parameters are password protected,
can be modified by authorized users or by factory.
Limited configuration through local infrared port by
means of smartphone tool and app.
