Camus Hydronics DFH/W500 Installation, Operation And Service Manual page 31

Figure 24: Lockout Condition
To eliminate the lockout error,
1) Press the red bar, indicating a Lockout condition
2) Press the [Lockouts] button
Figure 25: Lockout History
3) Press [Clear Lockout]
Table 14: Alert/Hold Codes
#
29 Burner switch turned OFF
30 Burner switch turned ON
47 Invalid subsystem reset request occurred
61 Anti-short Cycle
62 Fan speed not proved
63 LCI off, safety circuit is open
68 Setpoint was overridden due to sensor fault
69 Modulation was overridden due to sensor fault
123 Modulation rate was limited due to outlet limit
124 Modulation rate was limited due to Delta-T limit
215 No Lead Lag slaves available to service demand
Using backup Lead Lag header sensor due to
219
sensor failure
229 Lead lag slave communication timeout.
LCI off, safety circuit is open
- Thermal Disc in control box and/or upper
275- cabinet
281 - Flow Switch
- LWCO
- Blocked Flue Switch
283 Demand off during measured purge time
Abnormal Recycle: Flame was not on at end of
291
Ignition period
Abnormal Recycle: Flame was lost during Main
292
Flame Establishing Period
293 Abnormal Recycle: Flame was lost early in Run
294 Abnormal Recycle: Flame was lost during Run
Interlock Off, safety circuit is open
- Air Inlet Damper end switch
303-
- High Limit (Automatic/Manual)
+
310
- Gas Pressure Switch (Low/High)
- Low Air Proving Switch
324, Hardware flame bias. Flame sensor wire needs to
374- be re-routed.
379
+
352 Stack sensor fault
+
355 Outlet sensor fault
+
357 DHW sensor fault
+
359 Inlet sensor fault
460 LCI lost in run
550 Delta T inlet/outlet limit was exceeded
* If an internal hardware fault is detected contact Camus®
technical support for troubleshooting procedure.
+
The alarm LED and alarm contacts are closed and will
remain closed until the 'RESET' button is pressed.
Description
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