Detailed Fault Code - U.S. Boiler Company ALTA ALTAC-136 Installation, Operating And Service Instructions

19
Troubleshooting
Table 19-6: Detailed Fault Code (found on"c" and "b" menus)
Detailed
Code Type
Code
H01.0 Warning Anti-short cycle delay.
H01 H01.1 Warning Urgent calibration cooling delay.
Hold
H01.2
Hold
H02 H02.0
Hold
H04.0
H04
E04
E04.1 Lockout
H05.0 Hold
H05.1 Hold
H05
E05 E05.2 Lockout
E05.3 Lockout
E05.4 Lockout
H06.0 Hold
H06
E06
E06.1 Lockout
H07.0 Hold
H07
E07
E07.1 Lockout
H08 H08.0 Hold
H09.0 Hold
H09
E09.1 Lockout
E09
E09.2 Lockout
Warning Shorted or miswired DHW temperature sensor.
H10 H10.0
Hold
H11.0
H11
Lockout
E11.1
Warning Shorted or miswired outdoor air temperature sensor.
H12 H12.0
H13 H13.0 Hold
H14.0 Hold
H14 H14.1 Hold
H14.2 Hold
E15 E15.0 Lockout
E16.0 Lockout
E16.1 Lockout
H16
H16.2 Hold
E16
Lockout
E16.3
110327-02 - 7/20
ALTA
(continued)
Flow switch closed delay.
Boiler Safety Limit Open.
Supply Temperature is higher than 200°F (93°C) or (when used) preferred supply
high limit (minus 10).
Supply Temperature is higher than 210°F (99°C) or (when used) preferred supply
high limit.
Temperature rise between supply and return greater than 63°F (17°C).
Boiler water flow switch does not detect water flow. Switch contact is "open" when it
should be "closed.
Boiler water flow switch does not detect water flow. Switch contact is "open" when it
should be "closed" after 5 retries.
Temperature rise between supply and return is greater than 63°F (17°C).
Boiler water flow switch contact is "closed" when it should be "open".
Flue gas sensor detected temperatures in excess of 194°F (90°C) or when used
preferred high limit (minus 10).
Flue gas sensor detected temperatures in excess of 204°F (96°C) or when used
preferred high limit.
Return temperature higher than supply temperature.
Return temperature higher than supply temperature.
Shorted or miswired return temperature sensor.
Shorted or miswired supply temperature sensor.
Shorted or miswired supply temperature sensor longer than 10 seconds.
Temperature difference between dual elements too high.
Shorted or miswired Flue temperature sensor.
Shorted or miswired Flue temperature sensor longer than 10 seconds.
Shorted or miswired Header temperature sensor.
0-10VDC Input is out of range.
4-20mAdc Input is out of range.
Analog Input parameter setup incorrect.
The Air Pressure Switch detects airflow while fan is not running. Switch contact is
"closed" when it should be "open".
Air proving switch does not detect air flow for more than 51 seconds.
Fan standstill not reached.
Fan speed is not proven during running mode.
Fan speed is not proven during prepurge or post purge.
Installation, Operating & Service Instructions
Condition
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