Aerco Esteem 399, Installation And Maintenance Instructions Manual

Page: 92 / 136

92
16 - USE
16.15 - Flue blocked
pressure switch
This appliance is equipped with a safety
flue blocked pressure switch (see Figures
3-3 through 3-6, item “20”) that shut-off
the unit when the flue exhaust vent pipe is
blocked. If this pressure switch shuts off
the unit (Loc 2, Loc 5 or Loc 25), do not
attempt to place the heater in operation
but contact a qualified service agency that
will reset the unit after checking for any
potential dangerous situation.
WARNING!!!
If the safety
flue blocked pressure switch shuts
off the system do not attempt
to reset or repair the unit. It is
mandatory to contact a Qualified
service agency. Failure to comply
with this requirement can result
in excessive levels of carbon
monoxide which can cause severe
personal injury or death!
Err 86 Flue sensor shorted Check if temperature sensor match section 17.10 If temperature sensor do not match section 17.10, it must be replaced.
Err 87 Reset button error Too many reset button pushing in 60 sec
Err 93 Appliance selection error Check the list of 3000 parameters (Section 21)
Err 107 Internal software error Replace the power control board
Err 108 Internal software error Replace the power control board
Err 109 Error happening to burner 2 When burner 1 (master) goes in a general error, will stops
burner 2 generating an “Err 109”
Resolve the error to burner 1(Master)
Err 110 Flapper valve not open error a) Check for any obstruction into the exhaust system
b) Check if the fan is running
c) Check the flapper valve and its control sensor (See
Figure 3-2 items 32 and 33)
a) Remove the obstruction from flue exhaust
b) Replace the fan or the power control board
c) Replace the flapper valve or its control sensor (See Figure 3-2 items
32 and 33)
Err 111 Flapper valve not closed error Check the flapper valve and its control sensor (See Figure
3-2 items 32 and 33)
Replace the flapper valve or its control sensor (See Figure 3-2 items
32 and 33)
Err 112 Internal software error Replace the power control board
Err 113 Internal software error Replace the power control board
Err 114 Too low water flow a - Check water flow into the system (parameter 1062), it
must be higher than parameter 3035.
a - Increase the water flow into the system
b - Check for any obstruction into the water system
Err 115 Multiple burner master failure Reset via 3013 parameter
Err 116 Multiple burner communication
failure (this error will stops all
modules)
a - Bus communication interrupted
b - Burner is not working
a - check for the bus communication
b - repristinate the burner that is light off.
No Conn Microprocessor in lockout a - Check wires of the water pressure sensor are not in short
circuit
b - Check wires of the water flow sensor are not in short
circuit
c - Check display wires are connected to the burner 1
(MASTER)
a - If wires are not in short circuit, replace the pressure sensor
b - If wires are not in short circuit, replace water flow sensor
c - If display wires are connected to burner 2 and the relative board is
off, display shows “No Conn”
16.16 - Shuts heater
down
1. Follow “To Turn Off Gas to
Appliance” on page 3 of this
manual.
2. Do not drain the system unless
exposure to freezing temperatures
will occur.
3. Do not drain the system if it is filled
with an antifreeze solution.
16.17 - How to
clean the appliance
jacket
To clean the appliance jacket, use only
a soft cloth dampened with water. Do
not use aggressive or abrasive agents.