Welbilt MERRYCHEF eikon e2s Service & Repair Manual

Merrychef eikon
®
e2s service and repair manual
96
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7 Circuit boards and diagrams
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7 Circuit boards and diagrams
7.1 SRB / QTS circuit boards
SRB LEDs
§ P-Bus – irregular flashing, indicating data communication with QTS.
§ Run – Pulsing 1 second flash, indicating that the board has booted up.
§ 12V and 5V – lit to show voltage outputs from inboard transformer.
§ Relay and triac – lit to show that a signal has been sent to energise that component.
§ Door switches – lit to show door closed
§ Overheat thermostats – lit to show safety circuit closed
LED positions ~
Item
Name
1
Cooling fan. Yellow LED Flashing / Solid at 100%
fan speed
2
Convection fan. Yellow LED Dim 10-50%, Bright 60-
100% fan speed
3
Stirrer(s). Yellow LED
4
5V supply. Green LED
5
12V supply. Green LED
6
Heater safety. Yellow LED
7
P-Bus: Yellow LED, flashes when data is being sent
/ received.
RUN: Green LED, 1 second flash.
8
Heater drive. Yellow pulsing LED
9
Oven door. Yellow LED
10
RH Microwave drive. Yellow LED
11
Safety circuit. Yellow LED lit to show that a signal is
received via overheat thermostats
12
LH Microwave drive. Yellow LED
1
2
3
4
5
6
7
8
9
10
11
12

Welbilt MERRYCHEF eikon e2s Specifications

General

Brand	Welbilt
Model	MERRYCHEF eikon e2s
Category	Microwave Oven
Language	English