Triangle Tube boiler error codes and alerts

Triangle Tube Prestige, Excellence and Instinct with the CTRLMax control (E-code fault table)

E1
Failed Ignition. The burner failed to light after 5 ignition attempts. The table classifies it as Manual Reset Lockouts.…
Lockout
E2
False Flame. Flame detected prior to ignition. The table classifies it as Manual Reset Lockouts.…
Lockout
E3
High Boiler Temperature. Boiler temperature has reached 210°F [99ºC] or 102°F [39°C]. The table classifies it as Manual Reset Lockouts.…
Lockout
E5
Blower Speed. Blower is not at correct speed or speed signal is not being received by control module. The table classifies it as Manual Rese…
Lockout
E7
High Flue Temperature. Flue temperature exceeds high limit. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E8
Flame Circuit Error. Flame circuit test failed. The table classifies it as Manual Reset Lockouts.…
Lockout
E9
Gas Valve Circuit Error. Gas valve circuit test failed. The table classifies it as Manual Reset Lockouts.…
Lockout
E12
Internal Control Fault. EEPROM misconfiguration. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E13
Reset Limit Reached. Resets are limited to 5 every 15 minutes. The table classifies it as Manual Reset Lockouts.…
Lockout
E15
Sensor Drift. Supply or return sensor reading has drifted. The table classifies it as Manual Reset Lockouts.…
Lockout
E16
Supply Sensor Stuck. Supply sensor reading is not changing. The table classifies it as Manual Reset Lockouts.…
Lockout
E17
Return Sensor Stuck. Return sensor reading is not changing. The table classifies it as Manual Reset Lockouts.…
Lockout
E18
Sensor Failure. Supply or return sensor reading changed very rapidly. The table classifies it as Manual Reset Lockouts.…
Lockout
E19
Flame Failure During Startup Phase. Flame lost after startup. The table classifies it as Manual Reset Lockouts.…
Lockout
E21
Internal Control Fault. A / D conversion error. The table classifies it as Manual Reset Lockouts.…
Lockout
E25
Internal Control Fault. CRC check error. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E30
Supply Sensor Shorted. A short circuit has been detected in the boiler supply temperature sensor circuit. The table classifies it as Manual …
Lockout
E31
Supply Sensor Open. An open circuit has been detected in the boiler supply temperature sensor circuit. The table classifies it as Manual Res…
Lockout
E32
DHW Sensor Shorted. A short circuit has been detected in the DHW temperature sensor circuit. The table classifies it as Automatic Reset Bloc…
Lockout
E33
DHW Sensor Open. An open circuit has been detected in the DHW temperature sensor circuit. The table classifies it as Automatic Reset Blockin…
Lockout
E34
Low Voltage. Line voltage has fallen below an acceptable operating level. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E37
Low Water. Water pressure has fallen below 7.2 psi. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E43
Return Sensor Shorted. A short circuit has been detected in the boiler return temperature sensor circuit. The table classifies it as Manual …
Lockout
E44
Return Sensor Open. An open circuit has been detected in the boiler return temperature sensor circuit. The table classifies it as Manual Res…
Lockout
E45
Flue Sensor Shorted. A short circuit has been detected in the boiler flue temperature sensor circuit. The table classifies it as Automatic R…
Lockout
E46
Flue Sensor Open. An open circuit has been detected in the boiler flue temperature sensor circuit. The table classifies it as Automatic Rese…
Lockout
E47
Water Pressure Sensor Error. Water pressure sensor is disconnected or broken. The table classifies it as Manual Reset Lockouts.…
Lockout
E76
External Limit Open. An external automatic reset boiler limit has opened. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E77
High Mix Circuit Temperature. Mix circuit temperature exceeds Mix zone high limit setting. The table classifies it as Automatic Reset Blocki…
Lockout
E78
Mix Circuit Sensor Shorted. A short circuit has been detected in the mix circuit temperature sensor circuit. The table classifies it as Auto…
Lockout
E79
Mix Circuit Sensor Open. An open circuit has been detected in the mix circuit temperature sensor circuit. The table classifies it as Automat…
Lockout
E80
Return > Supply. Return temperature is higher than supply temperature. The table classifies it as Manual Reset Lockouts.…
Lockout
E81
Sensor Drift. Supply and return temperatures are not equal. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E82
Delta T Protection. Excessive difference between the boiler supply and return temperatures. The table classifies it as Automatic Reset Block…
Lockout
E83
Delta T Protection. Excessive difference between boiler supply and return temperatures has occured 5 times. The table classifies it as Manua…
Lockout
E84
High Flue Temperature. Flue temperature has exceeded high limit 5 times. The table classifies it as Manual Reset Lockouts.…
Lockout
E87
External Limit Open. An external manual reset limit has opened. The table classifies it as Manual Reset Lockouts.…
Lockout
E89
Incorrect Setting. A parameter setting is in conflict with another setting. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E90
Firmware Mismatch. Control module and display firmware versions are incompatible. The table classifies it as Automatic Reset Blocking Lockou…
Lockout
E91
System Sensor Shorted. A short circuit has been detected in the system temperature sensor circuit. The table classifies it as Automatic Rese…
Lockout
E92
System Sensor Open. An open circuit has been detected in the system temperature sensor circuit. The table classifies it as Automatic Reset B…
Lockout
E93
Outdoor Sensor Shorted. A short circuit has been detected in the outdoor temperature sensor circuit. The table classifies it as Automatic Re…
Lockout
E94
Internal Display Fault. Display memory error. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E95
Supply Sensor Error. Supply sensor reading is invalid. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E96
Outdoor Sensor Open. An open circuit has been detected in the outdoor temperature sensor circuit. The table classifies it as Automatic Reset…
Lockout
E97
Cascade Mismatch. Cascade configuration has changed. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E98
Cascade Bus Error. Communication with other boilers has been lost. The table classifies it as Automatic Reset Blocking Lockouts.…
Lockout
E99
Controller Bus Error. Communication between boiler display and control module has been lost. The table classifies it as Automatic Reset Bloc…
Lockout

Triangle Tube Prestige Solo gen-1 (MCBA control, pre-2011 Solo 110 manual)

Triangle Tube Prestige Solo PT-era (TriMax control, 2011-50 manual revised 2012)

Triangle Tube Prestige Excellence PT-era (TriMax control, 2011-61 manual revised 2014)

Triangle Tube Prestige PA-era (ACVMax control, 2015 user's manual)

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Call 778-909-5731 Request service

Triangle Tube error codes and alerts

Triangle Tube Prestige, Excellence and Instinct with the CTRLMax control (E-code fault table)

E1

E2

E3

E5

E7

E8

E9

E12

E13

E15

E16

E17

E18

E19

E21

E25

E30

E31

E32

E33

E34

E37

E43

E44

E45

E46

E47

E76

E77

E78

E79

E80

E81

E82

E83

E84

E87

E89

E90

E91

E92

E93

E94

E95

E96

E97

E98

E99

Triangle Tube Prestige Solo gen-1 (MCBA control, pre-2011 Solo 110 manual)

E00

E02

E03

E04

E05

E06

E07

E08

E09

E11

E12

E13

E14

E15

E16

E17

E18

E19

E25

E28

E29

E31

E32

E35

E36

E37

E40

E44

E52