4-5
3. Reconnect power to the unit. If the
alarm light goes out and the Control
Panel energizes when the power on
switch is pushed then the probe needs
to be replaced. See HI-LIMIT PROBE
REPLACEMENT.
If the alarm light does not go out with
the new probe installed then the old
probe is working properly and condi-
tion 3 exists. Disconnect the power
from the unit and reconnect the old
probe when finished with condition 3
below.
CONDITION 3: Control Failure
Replace the Hi-Limit Control as follows:
1. See ACCESS FOR SERVICE.
2. Remove Hi-Limit control (27) by
removing two coupling nuts (28).
3. Disconnect wires from Hi-Limit Control
(27).
4. Install new control in reverse order.
28
28
27
HI-LIMIT PROBE REPLACEMENT
The probe is a thermocouple. It send fluctu-
ating millivolts to the Hi-Limit Control which
translates them into degrees of tempera-
ture.
1. See ELEMENT SHAFT REMOVAL
2. Remove Connector Box Cover (19) by
removing screw (20).
3. Remove screw (21) from probe retainer
(22).
4. Remove nut (30).
5. Carefully pull probe (29) out of Con-
nector Box. DO NOT allow wires being
pulled out of Element Shaft to damage
any of the remaining components.
19
20
21
22
29
30
29
Hi-Limit Probe
broaster.com Manual #16501 7/06 Rev 2/15
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