Crown Aruba 5 Installation Manual
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FIGURE 11.3: TYPICAL OPERATING MODE DISPLAY (BOILER TEMP SHOWN)
TABLE 11.2: STATUS CODES
Status # Description Meaning
1
Standby
No call for heat or DHW
OR
Call for heat present , but boiler is in thermal purge (See PP on page 32)
OR
Call for heat/DHW present but boiler temperature is above set point (SP) setting.
4
Prepurge
Damper has opened and control is briey waiting before starting trial for ignition
(pre-purge time is 1.7s).
6
Spark Control is attempting to light pilot
7
Flame proving Control is verifying that the pilot ame is on and stable.
8
Running Main burner is on
10
Retry/Recycle Delay
Control was unable to establish pilot and is waiting 5 minutes before trying again
OR
Proof of pilot was lost after pilot was established and control is waiting 10 seconds
before attempting to relight.
13
Soft Lockout
A fault is preventing the boiler from ring. Boiler will be allowed to re after problem
clears itself AND a forced delay period has passed.
14
Hard Lockout
A fault has occurred which requires manual intervention before the boiler will again
operate. This intervention can be in the form of interruption of the power supply to
the boiler or resetting the control in Adjustment mode.
15
Waiting for limit to close
A call for heat/dhw is present, but there is an open safety device, such as a blocked
vent switch, that is preventing the boiler from operating.
16
Flame Present out of
Sequence
A ame was detected when none should have been present.
17
Self test Boiler was just energized and control is running a self check.
18
Waiting for Damper to
open
Control is waiting for vent damper to prove open
20
Damper failed to open Damper failed to prove open 60 seconds after being called to open.
NOTE
In operating mode, holding either the ↑ or ↓ button while viewing a given parameter will keep the display on
the actual reading. For example, pressing ↑ while reading boiler temperature as shown in Figure 11.3 will
keep the display on 180 for as long as this button is held. This makes it easier to view readings “live” if they are
changing rapidly