507735-03
Page 47 of 53
Issue 1933
Table 19. Diagnostic Codes for -03 Control
-03 Integrated Control LED Codes
Red LED Flash Code
2
Diagnostic Codes / Status of Furnace
LED Off
No power to control or control hardware fault detected
Heartbeat
1
Normal operation - idle, continuous fan, cool
Continuous Rapid Flash Call for heat / burner operation
1 Flash
Reverse line voltage polarity
2 Flashes
Improper earth ground
3 Flashes
Burner failed to light, or lost flame during heat demand
4 Flashes
Low flame signal - check flame sensor
5 Flashes
Watchguard - burner failed to light, exceeded maximum number of retries or recycles
6 Flashes
Not used
7 Flashes
Primary or Secondary limit open or watchguard mode - limit switch open longer than 3 minutes
8 Flashes
Rollout switch open
9 Flashes
Pressure switch failed to close or opened during heat demand
10 Flashes
Watchguard - Pressure switch opened 5 times during one heat demand
11 Flashes
Pressure switch stuck closed prior to activation of combustion air inducer
12 Flashes
Flame sensed without gas valve energized
13 Flashes
Low line voltage
1
A “heartbeat” is indicated by a “slow flash” - 1 sec on 1 sec off, repeating
2
Error codes are indicated by a “rapid flash” - the LED flashes X times at 1/2 sec on, 1/2 sec off, remains off for 3 sec, then repeats
NOTE
: Last 10 error codes are stored in memory, including when power is shut off to the unit. To recall, press and release button.
Most recent will be displayed first, LED off for 3 sec, then next error code is displayed, etc. To clear error codes, depress and hold
button longer than 5 seconds.
Table 18. Diagnostic Codes for -02 Control
-02 Integrated Control LED Codes
Red LED Flash Code
Diagnostic Codes / Status of Furnace
LED Off
No power to control or control hardware fault detected
Heartbeat
1
Control powered - displayed during all modes of operation if no errors are detected
1 Flash
Reverse line voltage polarity
2 Flashes
Improper earth ground
3 Flashes
Burner failed to light, or lost flame during heat demand
4 Flashes
Low flame signal - check flame sensor
5 Flashes
Watchguard - burner failed to light, exceeded maximum number of retries or recycles
6 Flashes
Not used
7 Flashes
Primary or Secondary limit open or watchguard mode - limit switch open longer than 3 minutes
8 Flashes
Rollout switch open
9 Flashes
Pressure switch failed to close or opened during heat demand
10 Flashes
Watchguard - Pressure switch opened 5 times during one heat demand
11 Flashes
Pressure switch stuck closed prior to activation of combustion air inducer
12 Flashes
Flame sensed without gas valve energized
13 Flashes
Low line voltage
1
A “heartbeat” is indicated by a “slow flash” - 1 sec on 1 sec off, repeating
NOTE
: Last 10 error codes are stored in memory, including when power is shut off to the unit. To recall, press and release button.
Most recent will be displayed first, LED off for 3 sec, then next error code is displayed, etc. To clear error codes, depress and hold
button longer than 5 seconds.
Содержание Century GDD95C Series
Страница 30: ...507735 03 Page 30 of 53 Issue 1933 Figure 50 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...
Страница 36: ...507735 03 Page 36 of 53 Issue 1933 045B3 070B4 090C4 110C5 Figure 57 Typical Wiring Diagram ...
Страница 48: ...507735 03 Page 48 of 53 Issue 1933 Troubleshooting Heating Sequence of Operation ...
Страница 49: ...507735 03 Page 49 of 53 Issue 1933 Troubleshooting Heating Sequence of Operation continued ...
Страница 50: ...507735 03 Page 50 of 53 Issue 1933 Troubleshooting Cooling Sequence of Operation ...
Страница 51: ...507735 03 Page 51 of 53 Issue 1933 Troubleshooting Continuous Fan Sequence of Operation ...