AERCO Esteem Boiler with EZ-Set Controller - Manual (Page 83)

GF-135 Esteem 399 Low NOx Boiler
Chapter 10
OMM-0089_0A Installation, Operation & Maintenance Manual EZ-SET Controller
Table 10-5: Automatic Reset Soft Lockout Descriptions
Code Lockout Message Description
E7
High Flue Temperature Flue temperature exceeds high limit.
E12
Internal Control Fault EEPROM misconfiguration.
E25
Internal Control Fault CRC check error.
E32
DHW Sensor Shorted
A short circuit has been detected in the DHW temperature
sensor circuit.
E33
DHW Sensor Open
An open circuit has been detected in the DHW
temperature sensor circuit.
E34
Low Voltage
Line voltage has fallen below an acceptable operating
level.
E37
Low Water Water level has fallen below an acceptable operating level.
E45
Flue Sensor Shorted
A short circuit has been detected in the boiler flue
temperature sensor circuit.
E46
Flue Sensor Open
An open circuit has been detected in the boiler flue
temperature sensor circuit.
E76
External Limit Open An external automatic reset boiler limit has opened.
E81
Sensor Drift Supply and return temperatures are not equal.
E89
Incorrect Setting A parameter setting is outside the settings range.
E90
Firmware Mismatch
Control module and display firmware versions are
incompatible.
E91
System Sensor Shorted
A short circuit has been detected in the system
temperature sensor circuit.
E92
System Sensor Open
An open circuit has been detected in the system
temperature sensor circuit.
E93
Outdoor Sensor Shorted
A short circuit has been detected in the outdoor
temperature sensor circuit.
E94
Internal Display Fault Display memory error.
E95
Supply Sensor Error Supply sensor reading is invalid.
E96
Outdoor Sensor Open
An open circuit has been detected in the outdoor
temperature sensor circuit.
E97
Cascade Mismatch Cascade configuration has changed.
E98
Cascade Bus Error Communication with other boilers has been lost.
E99
Controller Bus Error
Communication between boiler display and control module
has been lost.
Page 83 of 188 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0089_0A
MC1 06/19/14 Ph.: 800-526-0288