27
troubleShooting
HELIX
8.2
SurefIre™ heATer BlocK / hoSe heATer coNTroller errorS
problem
cause
Solution
A. Alarm will not clear or Reset with
keypad or digital input.
1. Alarm latching is active
2. Alarm set to incorrect output
3. Alarm is set to incorrect source
4. Sensor input is out of alarm set point range
5. Alarm set point is incorrect
6. Alarm is set to incorrect type
7. Digital input function is incorrect
1. Reset alarm when process is within range or
disable latching
2. Set output to correct alarm source instance
3. Set alarm source to correct input instance
4. Correct cause of sensor input out of alarm
range
5. Set alarm set point to correct trip point
6. Set digital input function and source instance
B. Alarm will not activate output.
1. Alarm silencing is active
2. Alarm blocking is active
3. Alarm is set to incorrect output
4. Alarm is set to incorrect source
5. Alarm set point is incorrect
6. Alarm is set to incorrect type
1. Disable alarm silencing, if required
2. Disable alarm blocking, if required
3. Set output to correct alarm source instance
4. Set alarm source to correct input instance
5. Set alarm set point to correct trip point
6. Set alarm type to correct type
C. Alarm Error. Alarm status cannot
be determined due to a lack of
sensor input.
AL.E 1
AL.E 2
AL.E 3
AL.E 4
1. Sensor improperly wired or open
2. Incorrect setting of sensor type
3. Calibration corrupt
1. Correct wiring or replace sensor
2. Match setting to sensor used
3. Check calibration of controller
D. Alarm Low. Sensor input below
low alarm set point.
AL.L 1
AL.L 2
AL.L 3
AL.L 4
1. Temperature is less than alarm set point
2. Alarm is set to latching and an alarm occurred
in the past
3. Incorrect alarm set point
4. Incorrect alarm source
1. Check cause of under temperature
2. Clear latched alarm
3. Establish correct alarm set point
4. Set alarm source to proper setting
E. Alarm High. Sensor input above
high alarm set point.
AL.H 1
AL.H 2
AL.H 3
AL.H 4
1. Temperature is greater than alarm set point
2. Alarm is set to latching and an alarm occurred
in the past
3. Incorrect alarm set point
4. Incorrect alarm source
1. Check cause of over temperature
2. Clear latched alarm
3. Establish correct alarm set point
4. Set alarm source to proper setting
F. Error Input. Sensor does not
provide a valid signal to controller
Er. ,1
1. Sensor improperly wired or open
2. Incorrect setting of sensor type
3. Calibration corrupt
1. Correct wiring or replace sensor
2. Match setting to sensor used
3. Check calibration of controller
G. Limit will not clear or Reset with
keypad or digital input
1. Sensor input is out of limit set point range
2. Limit set point is incorrect
3. Digital input function is incorrect
1. Correct cause of sensor input out of limit range
2. Set limit set point to correct trip point
3. Set digital input function and source instance
H. Limit Error. Limit status cannot be
determined due to a lack of sensor
input, limit will trip.
L ,.E 1
1. Sensor improperly wired or open
2. Incorrect setting of sensor type
3. Calibration corrupt
1. Correct wiring or replace sensor
2. Match setting to sensor used
3. Check calibration of controller
I. Limit Low. Sensor input below low
limit set point.
L ,.L 1
1. Temperature is less than limit set point
2. Limit outputs latch and require Reset
3. Incorrect alarm set point
1. Check cause of under temperature
2. Clear limit
3. Establish correct limit set point
J. Limit High. Sensor input above
high limit set point.
L ,.h 1
1. Temperature is greater than limit set point
2. Limit outputs latch and require Reset
3. Incorrect alarm set point
1. Check cause of over temperature
2. Clear limit
3. Establish correct limit set point
Содержание HELIX 0138011
Страница 12: ...12 SYSTEM DESCRIPTION HELIX A E D F L1 J H K K J N M M B H L2 G I C 3 3 System Diagram with circulation ...
Страница 44: ...44 HELIX Spare parts diagram drive assembly 4 5 6 1 2 3 7 8 9 10 11 18 17 12 13 14 15 16 ...
Страница 50: ...50 HELIX Spare parts diagram fluid section 1 2 3 4 7 8 15 16 17 18 19 20 21 22 23 9 10 11 12 13 14 5 6 ...