Camus Hydronics DRH300, Installation, Operation And Service Manual

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23
Figure 22: Lockout Condition
To eliminate the lockout error,
1) Press the red bar, indicating a Lockout condition
2) Press the [Lockouts] button
Figure 23: Lockout History
3) Press [Clear Lockout]
Table 13: Alert/Hold Codes
# Description
29 Burner switch turned OFF
30 Burner switch turned ON
47 Invalid subsystem reset request occurred
50 Modulation Fault (DR300 – 1000 ONLY)
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
219
Using backup Lead Lag header sensor due to
sensor failure
229 Lead lag slave communication timeout.
275-
281
LCI off, safety circuit is open
283 Demand off during measured purge time
291
Abnormal Recycle: Flame was not on at end of
Ignition period
292
Abnormal Recycle: Flame was lost during Main
Flame Establishing Period
293 Abnormal Recycle: Flame was lost early in Run
294 Abnormal Recycle: Flame was lost during Run
303-
310
+
Interlock Off, safety circuit is open
324,
374-
379
Hardware flame bias. Flame sensor wire needs to
be re-routed.
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.