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TriMax Operation
Automatic Reset Soft Lockouts
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.
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